All players has capacity to move to another ranking no one can predict rankings with certainty, but looking at age, recent form, surface versatility, injury history, and ranking potential, these are the players most likely to move significantly upward or downward before the end of 2026. For me Flavio Cobolli will move to top 5 to top 1 ranking if he adopt and get more tennis IQ also can handle more pressure close game.
Biggest Candidates to Move Up
Carlos Alcaraz (No. 2 → Potential No. 1)
Alcaraz is the biggest threat to Jannik Sinner's No. 1 ranking.
Why:
- Strong on all surfaces
- Consistently reaches late rounds of Grand Slams
- Younger and physically fresh
- Can gain points during the hard-court season
Prediction: Finish the year ranked No. 1 or No. 2.
Ben Shelton (No. 5 → Potential Top 3)
Shelton's game is improving rapidly.
Why:
- Elite serve
- Dangerous on hard courts and grass
- Continues to improve tactically
- Strong US Open and North American swing potential
Prediction: Could finish between No. 3 and No. 5.
Jakub Menšík (No. 17 → Potential Top 10)
Many ATP coaches believe Menšík has future Grand Slam champion potential.
Why:
- Huge serve
- Powerful baseline game
- Already competing with elite players
Prediction: Biggest Top-10 breakthrough candidate.
Learner Tien (No. 19 → Potential Top 15)
One of the fastest-rising Americans.
Why:
- Excellent movement
- Strong tennis IQ
- Consistent improvement
Prediction: Could move 5–10 spots higher.
Flavio Cobolli (No. 10 → Potential Top 5)
If his French Open success continues, Cobolli could climb even higher.
Prediction: Top 5 is realistic.
Most Likely to Stay Near Current Ranking
Jannik Sinner
Expected range: No. 1–2
Alexander Zverev
Expected range: No. 2–4
Taylor Fritz
Expected range: No. 7–10
Alex de Minaur
Expected range: No. 5–10
These players are established and likely to remain in the upper part of the rankings.
Most Likely to Drop
Novak Djokovic (No. 7)
Age is the main factor.
Why:
- Limited tournament schedule
- Recovery takes longer
- Younger players are becoming stronger
Prediction: Could finish around No. 8–15.
Daniil Medvedev (No. 8)
Still dangerous, but consistency has fluctuated.
Prediction: Could move between No. 8–12.
Alexander Bublik (No. 11)
Bublik can beat anyone, but consistency remains an issue.
Prediction: Could drop outside the Top 15.
Valentin Vacherot (No. 20)
Breaking into the Top 20 is difficult; staying there is even harder.
Prediction: Most likely player among the Top 20 to fall out of the Top 20 by year-end.
Year-End 2026 Predicted Top 10
- Carlos Alcaraz
- Jannik Sinner
- Alexander Zverev
- Ben Shelton
- Flavio Cobolli
- Alex de Minaur
- Taylor Fritz
- Jakub Menšík
- Lorenzo Musetti
- Daniil Medvedev
If I had to pick one player most likely to rise the most, it would be Jakub Menšík.
If I had to pick one player most likely to fall the most, it would be Valentin Vacherot.
If I had to pick the next future World No. 1 after Sinner and Alcaraz, my choice would be Ben Shelton, with Menšík as a very close second.