Beating the world’s best player and becoming the world’s best player are different achievements.
One exceptional afternoon can produce an upset. Reaching No. 1 requires results that accumulate across tournaments, surfaces and months. A player must handle the early rounds, recover between demanding matches and remain effective when their favourite shots are not working.
Some contenders already possess the necessary game. Their challenge is keeping it available. Others need a stronger serve, a more assertive return or a clearer way to finish points.
This assessment uses the ATP rankings dated October 19, 2026, rather than live rankings. The players appear in that order. Their proposed improvements and 2027 outlooks are Tennisin60’s editorial judgments, not statements from their coaching teams or statistical diagnoses of their games. [1,2]
1. Jannik Sinner: Stay Healthy Enough to Sustain His Level
Sinner’s first priority is availability. His decision to end his 2026 season because of his knee problem makes a healthy return central to any discussion of 2027. Official Australian Open coverage confirmed the season-ending absence. [3]
From a playing perspective, our priority would be preserving his baseline strengths while finding opportunities to shorten suitable points: a decisive first forehand, an approach behind a damaging shot or an uncomplicated finish at net.
Those options would broaden his game, but they cannot substitute for physical readiness.
The 2027 assignment: Establish a sustainable schedule and rebuild competition progressively. He does not need to prove everything in his first tournament back.
No. 1 outlook: A leading contender if he can compete consistently at his established level.
2. Alexander Zverev: Make Attacking Tennis His Default
Zverev’s position has changed substantially. His first two major titles, at Roland-Garros and the US Open, have already answered questions about whether he can win on the biggest stages. The US Open also reported that he had secured the 2026 year-end No. 1 ranking. [4]
For 2027, our priority would be court position and attacking intent.
When a short ball arrives, he should have a clear plan to take ground and finish the point. Retreating into another neutral exchange can give an opponent time to recover.
The 2027 assignment: Continue backing the serve and backhand, while making the forehand and forward movement dependable tools for taking control.
No. 1 outlook: An established contender whose task is sustaining championship-level tennis.
3. Carlos Alcaraz: Get His Rhythm—and His Joy—Back
“Get his mojo back” captures an understandable impression, but confidence is difficult to measure from outside.
There is also important context: Alcaraz won Tokyo before losing to Zizou Bergs in Shanghai, a defeat that ended a seven-match winning streak. His recent results therefore show both progress and frustration, rather than an uninterrupted decline. [3,5]
Our priority would be simplifying his patterns when confidence wavers. Establish the serve, return with purpose and build points around reliable strengths before reaching for the spectacular solution.
The 2027 assignment: Recover freedom through repeatable decisions. The drop shot and improvisation should enhance his game, rather than become an escape from ordinary rally construction.
No. 1 outlook: A leading contender if health and competitive rhythm hold.
4. Ben Shelton: Turn Service Pressure Into Return Pressure
Shelton’s 2026 US Open final appearance provides a significant starting point for 2027. He reached the championship match before losing to Zverev. [6]
Our next priority would be improving the quality of his return games.
A powerful serve becomes more valuable when the opponent also feels vulnerable on serve. Shelton does not need a winner from every return. More balls delivered deep into play can create opportunities to use his athleticism and attacking forehand.
The 2027 assignment: Build repeatable return patterns, especially against second serves, and distinguish between balls to attack immediately and balls to neutralize.
No. 1 outlook: A credible challenger if his return game supports his serving strengths.
5. Daniil Medvedev: Find a Reliable Route From Defence to Attack
Medvedev’s ability to prolong points can frustrate opponents. Our priority would be making his transition into attack more automatic.
When an opponent drops the ball short, the response should create a genuine advantage. That could mean taking the ball earlier, redirecting down the line or moving forward behind an approach that limits the passing options.
The aim is not constant aggression. It is preventing a favourable situation from drifting back into a neutral rally.
The 2027 assignment: Strengthen the first attacking shot after a defensive exchange, alongside a dependable service platform.
No. 1 outlook: A potential return contender, requiring sustained high-level results.
6. Flavio Cobolli: Make His Strongest Tennis Repeatable
Cobolli’s Roland-Garros final appearance showed how far a strong run can carry him. He took Zverev to five sets in that championship match. [7]
Our priority would be turning that quality into a repeatable tournament pattern.
That means protecting service games efficiently, limiting unnecessary physical expenditure and maintaining clear decisions when opponents interrupt his rhythm.
The 2027 assignment: Develop a trusted serve-plus-one combination and a dependable response when his preferred baseline exchanges are unavailable.
No. 1 outlook: An ambitious outside contender. Repeated deep runs would make the case stronger.
7. Félix Auger-Aliassime: Build a Game He Can Trust on Ordinary Days
Auger-Aliassime’s route should centre on reliability.
Our priority would be developing patterns that remain effective when timing is imperfect: a secure second serve, a controlled return and a forehand combination that does not demand an exceptional shot to finish every point.
A world-ranking campaign depends heavily on winning matches that feel uncomfortable.
The 2027 assignment: Make the early rounds less volatile and establish a clear response to pressure on the second serve.
No. 1 outlook: An outside challenger. Sustained consistency matters more than another isolated demonstration of his ceiling.
8. Alex de Minaur: Make More Points End on His Terms
De Minaur’s movement offers him opportunities to extend rallies. Our priority would be using that foundation to attack sooner when the opening appears.
A short return or defensive reply should become a chance to dictate, rather than simply continue the exchange.
Improvement does not have to mean attempting to overpower every opponent. Taking the ball earlier and changing direction from a balanced position can also remove time.
The 2027 assignment: Generate more attacking opportunities through serve placement and capitalize on them decisively.
No. 1 outlook: A difficult but conceivable progression, requiring more victories in the final stages of major events.
9. Frances Tiafoe: Make Intent More Consistent Than Emotion
For Tiafoe, our priority would be maintaining clear attacking intent throughout the match.
Energy can help a player compete, but it should support a plan. The same dependable targets and return decisions must remain available on a quiet outside court as well as in a charged stadium.
He would benefit from identifying the patterns he trusts before momentum begins to swing.
The 2027 assignment: Play with purpose through routine passages, protect concentration after winning a big point and avoid making the next shot unnecessarily difficult.
No. 1 outlook: A substantial outside chance, dependent on a much more continuous run of results.
10. Arthur Fils: Make Power More Selective
Our priority for Fils would be shot selection rather than simply producing more force.
Power is most effective when the player recognizes which ball deserves the biggest response. A balanced attacking position may justify a forceful change of direction; a stretched position may call for depth and recovery.
Learning that distinction can preserve aggression while reducing avoidable errors.
The 2027 assignment: Pair his attacking game with reliable second-serve and return patterns, then build the physical consistency needed for repeated deep runs.
No. 1 outlook: An exciting development candidate, although the timetable remains uncertain.
11. Rafael Jódar: Consolidate Before Chasing the Summit
Jódar’s Shanghai final demonstrated his growing competitive reach. He finished runner-up to Alejandro Davidovich Fokina after winning the opening set. [8]
Our priority would be consolidation: handling different opponents, recovering between tournaments and developing solutions when his preferred patterns are challenged.
Rapid progress can increase expectations faster than a player gains experience.
The 2027 assignment: Strengthen return-game consistency and physical resilience while preserving the qualities behind his rise.
No. 1 outlook: A longer-term possibility. Establishing repeated top-level results would be a more useful immediate benchmark.
12. Novak Djokovic: Balance Selectivity With Ranking Ambition
Djokovic’s Beijing title, the 102nd of his career, demonstrated that he can still win tournaments. His official website recorded the achievement in October. [9]
The question for a No. 1 campaign is how much high-level competition he can sustain.
A schedule designed to maximize readiness for selected major events may differ from one designed to accumulate ranking points throughout the year.
The 2027 assignment: Use efficient serving and purposeful attacking patterns to limit unnecessary expenditure, while finding the appropriate balance between match preparation and recovery.
No. 1 outlook: A demanding proposition. Winning a major and leading the rankings are separate objectives.
13. Alejandro Davidovich Fokina: Make the Breakthrough a Foundation
Davidovich Fokina’s Shanghai title gives this discussion a concrete reference point: he has demonstrated that he can complete a Masters 1000 title run. [8]
Our priority would be reproducing the decision-making that supports such a run.
Variety is valuable when it disrupts an opponent. It becomes less useful when it replaces a simpler, effective pattern.
The 2027 assignment: Protect service games, remain patient before changing direction and treat difficult early rounds with the same clarity as headline matches.
No. 1 outlook: A major leap remains necessary. Sustaining top-10 contention would be an important intermediate step.
14. Taylor Fritz: Defend His Court Position More Effectively
Our priority for Fritz would be maintaining his attacking position against opponents who move him outside comfortable hitting zones.
That includes improving the quality of defensive replies, recovering efficiently after wide shots and recognizing appropriate opportunities to come forward.
He should not need to win every point from behind the baseline.
The 2027 assignment: Keep the serve and first strike central, while developing more dependable solutions when an opponent takes the initiative.
No. 1 outlook: An outside contender who would need a sustained run of major-title-level results.
15. Tommy Paul: Make Athleticism Produce Earlier Advantages
Paul’s movement provides possibilities. Our priority would be converting them into more assertive point construction.
Reaching a difficult ball is only the beginning. The next step is choosing whether to recover neutrally, redirect or counterattack.
On serve, a clearly rehearsed first-ball pattern can help him begin more points with an advantage.
The 2027 assignment: Create more pressure through serve placement and forehand initiative, while making forward movement a deliberate part of his tactics.
No. 1 outlook: A significant outside prospect. Frequent late-round appearances would need to become frequent title challenges.
16. Jakub Menšík: Build the Game Around the Serve
Our priority for Menšík would be ensuring that the serve creates a complete point pattern.
A strong delivery is most useful when followed by an appropriate first shot. Against elite returners, he also needs a reliable plan for the points that begin neutrally.
The 2027 assignment: Improve second-serve protection, return depth and the transition from a successful serve into controlled attack.
The development target should be winning through several different match conditions, rather than relying on one favourable serving day.
No. 1 outlook: A longer-term candidate whose next step is greater week-to-week completeness.
17. Brandon Nakashima: Add Pressure Without Losing Control
Our priority for Nakashima would be adding attacking pressure while preserving rally discipline.
Consistency alone may keep a match close. Against the best opponents, he also needs patterns that force a defensive reply.
That could come through earlier court position, a more assertive first forehand or selective approaches.
The 2027 assignment: Identify an attacking combination he can execute repeatedly, including on important points, rather than depending on an opponent to provide the opening.
No. 1 outlook: A remote 2027 possibility. Becoming a regular top-10 challenger would be meaningful progress.
18. Learner Tien: Strengthen the Serve Without Losing His Identity
Our priority for Tien would be developing a more protective service game.
Improvement can come through placement, disguise and a stronger first ball as well as pace. The objective is to prevent opponents from beginning too many return points in control.
His broader development should preserve intelligent point construction.
The 2027 assignment: Combine physical development with serve variety and a dependable way to attack after constructing an opening.
No. 1 outlook: More plausibly a longer-term project than an immediate expectation. The quality of his progress matters more than imposing a deadline.
19. Alexander Bublik: Make Creativity Dependable
Our priority for Bublik would be sustaining competitive discipline without removing the variation that makes his tennis distinctive.
Creative decisions should have a tactical purpose. The challenge is maintaining sound targets and effort when a match becomes repetitive or frustrating.
The 2027 assignment: Pair serving strength with consistent return engagement and a reliable response when the first attacking option fails.
A No. 1 campaign would require strong results beyond the events and conditions that suit him best.
No. 1 outlook: A very substantial outsider. Season-long consistency is the central hurdle.
20. Jiří Lehečka: Turn Strong Ball-Striking Into Sustained Results
Our priority for Lehečka would be building a more complete sequence around his attacking shots.
That means selecting the correct approach, handling the first volley and producing a strong return often enough to pressure excellent servers.
Physical continuity and efficient match management would also matter across a demanding season.
The 2027 assignment: Reduce the number of points in which a promising attacking position fails to produce a lasting advantage.
No. 1 outlook: A considerable stretch for 2027. Repeated top-10-level results would provide a stronger foundation.
Who Has the Clearest Route?
Our leading group is Sinner, Zverev and Alcaraz. Their immediate priorities differ: sustained health, sustained attacking authority and sustained competitive rhythm.
Shelton offers a particularly interesting challenge if his return game continues to develop. Several others have plausible routes into stronger contention, but improvements should be judged in stages.
For a player ranked near No. 20, reaching the top 10 may already represent an excellent season. For an established contender, the decisive improvement might be winning an extra return point at 4–4.
Every player does not need a new identity.
What each needs is a clearer way to reproduce winning tennis—especially when the match stops being comfortable.
Sources
- [1] Tennis Abstract: ATP rankings, October 19, 2026
- [2] ATP: PIF ATP Singles Rankings
- [3] Australian Open: Djokovic, Alcaraz sweep Asian titles
- [4] US Open: Alexander Zverev clinches year-end No. 1 ranking
- [5] Rolex Shanghai Masters: Alcaraz after Bergs defeat
- [6] US Open: Alexander Zverev defeats Ben Shelton to win 2026 US Open
- [7] ATP: Zverev wins first major title at Roland Garros
- [8] ATP: Davidovich Fokina stops Jodar for Shanghai title
- [9] Novak Djokovic official website: Beijing, 102nd title
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