Jan Choinski - ATP #134 (2025-10-13)
| atpworldtour.com | ATP | Country |  United Kingdom | 
| Wikipedia | Eng / Fr | Birth | - | 
| Career best ranking | 125 - 2023-08-14 | Résidence |  United Kingdom | 
| Height | - | ||
| Weight | - | 
| Conditions | W | D | ratio | 
|---|---|---|---|
| Clay | 2 | 6 | 25.00% | 
| Hard (out.) | 0 | 1 | 0.00% | 
| Grass | 1 | 5 | 16.67% | 
| Hard (in.) | 2 | 1 | 66.67% | 
| TOTAL | 5 | 13 | 27.78% | 
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-09-08 | Challenger |  Challenger Szczecin | Clay | 16e | #10000 |  #10000 Vitaliy Sachko | 7/5 4/6 6/3 | |
| 2 | 2024-08-26 | GS |  US Open | Hard (out.) | 64e | #280 |  #54 Roberto Carballes Baena | 6/2 6/3 5/7 6/7(5) 6/3 | |
| 3 | 2024-07-08 | Challenger |  Salzburg Open (Challenger) | Clay | 8e | #173 |  #188 Alejandro Moro Canas | 7/5 6/4 | |
| 4 | 2024-07-08 | Challenger |  Salzburg Open (Challenger) | Clay | 16e | #173 |  #576 Neil Oberleitner | 7/5 6/3 | |
| 5 | 2024-07-01 | GS |  Wimbledon | Grass | 64e | #173 |  #34 Luciano Darderi | 7/5 4/6 2/6 7/5 6/2 | |
| 6 | 2024-04-01 | 250 |  Estoril Open | Clay | 8e | #185 |  #9 Hubert Hurkacz | 7/6(5) 6/4 | |
| 7 | 2024-04-01 | 250 |  Estoril Open | Clay | 16e | #185 |  #10000 DoNotUse Joao Fonseca | 6/2 6/7(5) 6/4 | |
| 8 | 2024-01-22 | Challenger |  BW Open - Ottignies-Louvain-La-Neuve | Hard (in.) | QF | #160 |  #134 Brandon Nakashima | 6/1 6/7(5) 7/5 | |
| 9 | 2024-01-22 | Challenger |  BW Open - Ottignies-Louvain-La-Neuve | Hard (in.) | 8e | #160 |  #10000 Adrian Andreev | 7/6(6) 6/1 | |
| 10 | 2024-01-22 | Challenger |  BW Open - Ottignies-Louvain-La-Neuve | Hard (in.) | 16e | #160 |  #159 Antoine Escoffier | 6/3 7/6(6) | |
| 11 | 2023-07-24 | 500 |  Hamburg European Open | Clay | 16e | #149 |  #77 Zhizhen Zhang | 6/4 7/5 | |
| 12 | 2023-07-03 | GS |  Wimbledon | Grass | 32e | #164 |  #18 Hubert Hurkacz | 6/4 6/4 7/6(3) | |
| 13 | 2023-07-03 | GS |  Wimbledon | Grass | 64e | #164 |  #52 Dusan Lajovic | 5/7 7/6(4) 6/2 6/2 | |
| 14 | 2023-06-26 | 250 |  Eastbourne International | Grass | 16e | #164 |  #143 Liam Broady | 6/3 6/4 | |
| 15 | 2023-06-19 | 500 |  Tournoi du Queen's | Grass | 16e | #162 |  #16 Lorenzo Musetti | 6/4 6/2 | |
| 16 | 2023-06-12 | Challenger |  Nottingham Challenger | Grass | 16e | #168 |  #124 Hugo Grenier | 6/4 6/4 | |
| 17 | 2019-09-30 | Challenger |  Barcelona Challenger | Clay | 32e | #296 |  #1125 Daniel Munoz de la Nava | 6/3 7/6(5) | |
| 18 | 2019-04-29 | Challenger |  Tournoi de Bordeaux | Clay | 32e | #286 |  #365 Andrea Pellegrino | 2/1 ret. | 
LLTL
	ATP
	WTA/Double
	Yearly
	Race
	
	
		attente
	
	
	
		<=
		=>
	
 Rookies
 RookiesLeaderotron
	Mega Patate
	Big Lose 
	Clay 
	
Grass 
	
Hard indoor 
	
Hard outdoor 
	
	
		attente
	
	
	