World No. 434 Constantin Bittoun Kouzmine is 27 and plays left-handed. Career best: No. 424 in the world. The record here is almost entirely on hard: 27-27. Twelve-month serve numbers: 66.5% of first serves in, 65.6% of those points won. A real threat on return: 49.2% of break points are converted. 109.5% of service games held: breaking this serve is hard.

A difficult stretch: 4 of the last 5 matches lost. No match in our data has lasted longer than the 31-game duel with D. Ostapenkov. We have forecast this player's matches most often at ITF Men M15 Kayseri: 7 of them. Open any of these matches for BananaCore's pick, a predicted scoreline and the serve and return figures behind them. Latest tournament on record: Challenger Mouilleron - le - Captif France Qualifying.

Serving and returning

1st serves in

66.8%

Won on 1st serve

65.4%

Won on 2nd serve

50.2%

Aces per match

1.9

Double faults per match

1.5

Break points saved

67%

Return games won

20.9%

Points won on return

34.5%

Service points won

60.4%

All points won

47.6%

Career Past 12 months

Titles

Finals

Semi-final runs

Tournaments played

Results by tournament 2 titles

ITF M15 Kayseri 7 Men ITF Winner

ITF M15 Kayseri 9 Men ITF Winner

ITF M15 Gaborone Men ITF Final Samsun, Turkiye Challenger Final

ITF M15 Gaborone 2 Men ITF Semi-Finals

ITF M15 Kayseri 6 Men ITF Semi-Finals ITF M15 Zahra Men ITF Semi-Finals ITF M15 Luanda Men ITF Quarter-Finals ITF M15 Malta Men ITF Quarter-Finals

ITF M15 Monastir 41 Men ITF Quarter-Finals

Brest, France Challenger Qualifying

Hersonissos 2, Greece Challenger Qualifying Hersonissos, Greece Challenger Qualifying

Sorted by best result, not by date

Year by year

2026

2026in progress

2–7

W–L

Matches

0–2

Tiebreaks

1.2

Aces per match

1.1

Double faults per match

1st serves in 70.5%

Won on 1st serve 66%

Won on 2nd serve 50%

Break points converted 37.5%

Break points saved 63.3%

2025

0–1

W–L

Matches

—

Tiebreaks

Aces per match

Double faults per match

1st serves in 70.5%

Won on 1st serve 61.3%

Won on 2nd serve 30.8%

Break points converted 0%

Break points saved 20%

2024

4–12

W–L

Matches

2–1

Tiebreaks

Aces per match

2.8

Double faults per match

1st serves in 62.8%

Won on 1st serve 63.5%

Won on 2nd serve 44.9%

Break points converted 41.7%

Break points saved 60.7%

2023

1–0

W–L

Matches

—

Tiebreaks

Aces per match

Double faults per match

1st serves in 59.3%

Won on 1st serve 65.6%

Won on 2nd serve 59.1%

Break points converted 83.3%

Break points saved 50%

Official singles figures for this season, as published by the tour. Don't expect the wins and losses to match our Predictions tab: that record covers only the matches we forecast. A dash marks a figure with no data yet.

Common questions

How often do our calls on Constantin Bittoun Kouzmine come true?

37 of our 53 graded predictions on Constantin Bittoun Kouzmine's matches were right, 69.8%. The latest 20 are listed below, each pick next to its result.

Which opponent has Constantin Bittoun Kouzmine met most in our records?

Essa Qabazard, 2 times, with Constantin Bittoun Kouzmine at 2-0 in those matches.