World No. 1053 Jiri Cizek is 21 and plays right-handed. Still looking for a winning surface: Hard 3-8, Clay 4-8. Too many free points go away on serve: 3.1 double faults a match, and the first delivery wins only 67.9%. A real threat on return: 119.7% of break points are converted. 248.4% of service games held: breaking this serve is hard.

A difficult stretch: 5 of the last 5 matches lost. No match in our data has lasted longer than the 32-game duel with P. Tsitsipas. We have forecast this player's matches most often at ITF Men M15 Heraklion: 5 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 Monastir Tunisia Qualifying. Whenever Jiri Cizek is on court, the match also appears among today's tennis predictions, next to every other match of the day.

Serving and returning

1st serves in

48%

Won on 1st serve

45.8%

Won on 2nd serve

42.3%

Aces per match

3.7

Double faults per match

2.2

Break points saved

50%

Return games won

371.4%

Points won on return

39.9%

Service points won

714%

All points won

90.7%

Career Past 12 months

Titles

Finals

Semi-final runs

Tournaments played

Results by tournament

ITF M25 Pardubice Men ITF Semi-Finals ITF M15 Heraklion 5 Men ITF Quarter-Finals ITF M25 Bol Men ITF Round of 16 ITF M25 Heraklion 16 Men ITF Round of 16 Grodzisk Mazowiecki, Poland Challenger Round of 32 ITF M15 Heraklion 10 Men ITF Round of 32 ITF M15 Heraklion 7 Men ITF Round of 32 ITF M15 Heraklion 9 Men ITF Round of 32 ITF M25 Ceska Lipa Men ITF Round of 32 ITF M25 Heraklion 15 Men ITF Round of 32 ITF M25 Poznan Men ITF Round of 32 ITF M25 Rabat Men ITF Round of 32 Iasi, Romania Challenger Qualifying Prague, Czech Republic Challenger Qualifying ITF M15 Heraklion 8 Men ITF Qualifying ITF M25 Bol 2 Men ITF Qualifying ITF M25 Louny Men ITF Qualifying ITF M25 Ollersbach Men ITF Qualifying Ostrava, Czech Republic Challenger Qualifying

Sorted by best result, not by date

Year by year

2026

2026in progress

3–4

W–L

Matches

1–1

Tiebreaks

5.9

Aces per match

3.7

Double faults per match

1st serves in 54.4%

Won on 1st serve 72.6%

Won on 2nd serve 43.9%

Break points converted 41.7%

Break points saved 53.8%

2025

0–2

W–L

Matches

—

Tiebreaks

3.5

Aces per match

2.5

Double faults per match

1st serves in 50.4%

Won on 1st serve 65%

Won on 2nd serve 25.4%

Break points converted 71.4%

Break points saved 64.7%

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 Jiri Cizek come true?

16 of our 23 graded predictions on Jiri Cizek's matches were right, 69.6%. The latest 20 are listed below, each pick next to its result.

Which opponent has Jiri Cizek met most in our records?

Amit Vales, 2 times, with Jiri Cizek at 0-2 in those matches.