| Challenger Braunchsweig | 07/12 10:25 | 26 | Pierre-Hugues Herbert v Jan Choinski | 7-6,4-6,6-7 | |
| Challenger Braunchsweig | 07/11 14:45 | 25 | [164] Jan Choinski v Alex Molcan [83] | 2-6,6-3,7-6 | |
| Wimbledon | 07/06 10:00 | 24 | [164] Jan Choinski v Hubert Hurkacz [18] | 4-6,4-6,6-7 | |
| Wimbledon | 07/03 15:55 | 23 | [164] Jan Choinski v Dusan Lajovic [56] | 5-7,7-6,6-2,6-2 | |
| ATP Eastbourne | 06/27 10:00 | 25 | [147] Liam Broady v Jan Choinski [167] | 6-3,6-4 | |
| ATP Eastbourne | 06/25 11:15 | 19 | [82] Daniel Elahi Galan v Jan Choinski [167] | 7-6,6-4 | |
| ATP Eastbourne | 06/24 10:00 | 14 | [486] Giles Hussey v Jan Choinski [167] | 3-6,6-4,2-6 | |
| ATP Queen's | 06/19 16:30 | 25 | [16] Lorenzo Musetti v Jan Choinski [167] | 6-4,6-2 | |
| Challenger - Nottingham | 06/13 16:50 | 25 | [127] Hugo Grenier v Jan Choinski [170] | 6-4,6-4 | |
| Challenger Troisdorf | 06/01 15:30 | 26 | Sumit Nagal v Jan Choinski | Walkover | |
| Challenger Troisdorf | 05/30 15:30 | 25 | [177] Jan Choinski v Jose Pereira [472] | 6-4,6-3 | |
| Challenger Troisdorf | 05/30 08:00 | 25 | Jan Choinski v Zizou Bergs | Cancelled | |
| Prantsusmaa lahtised | 05/24 12:35 | 15 | [118] Sebastian Ofner v Jan Choinski [177] | 3-6,6-4,6-0 | |
| Prantsusmaa lahtised | 05/23 08:00 | 14 | [177] Jan Choinski v Nicolas Kicker [197] | Retired | |
| Challenger Oeiras | 05/17 09:00 | 26 | [112] Radu Albot v Jan Choinski [179] | 7-6,6-4 | |
| Challenger Oeiras | 05/16 10:10 | 25 | [179] Jan Choinski v Alessandro Giannessi [230] | 6-3,4-6,6-4 | |
| ATP Rooma | 05/09 09:00 | 19 | [104] Thanasi Kokkinakis v Jan Choinski [179] | 6-2,6-2 | |
| ATP Rooma | 05/08 12:05 | 14 | [179] Jan Choinski v Jurij Rodionov [132] | 2-6,6-1,6-2 | |
| Challenger - Praha | 05/02 12:30 | 25 | [79] Filip Krajinovic v Jan Choinski [179] | 6-4,4-6,6-2 | |
| Challenger - Praha | 05/01 08:30 | 19 | [179] Jan Choinski v Rudolf Molleker [307] | 6-0,6-3 | |
| Challenger - Praha | 04/30 08:00 | 14 | [179] Jan Choinski v Billy Harris [311] | 6-4,6-4 | |
| ATP Madrid | 04/24 16:40 | 14 | [110] Borna Gojo v Jan Choinski [179] | 6-3,6-2 | |
| Challenger - San Luis Potosi | 04/08 21:35 | 28 | [194] Jan Choinski v Dominik Koepfer [179] | 3-6,3-6 | |
| Challenger - San Luis Potosi | 04/07 19:00 | 27 | [199] Thiago Agustin Tirante v Jan Choinski [194] | 4-6,4-6 | |
| Challenger - San Luis Potosi | 04/05 20:00 | 26 | [291] Joao L R Da Silva v Jan Choinski [194] | 5-7,5-7 | |
| Challenger - San Luis Potosi | 04/04 20:00 | 25 | [194] Jan Choinski v Facundo Mena [253] | 4-6,7-5,6-2 | |
| Challenger - Mexico City | 03/31 22:30 | 28 | [234] Thiago Agustin Tirante v Jan Choinski [220] | 7-6,4-6,6-4 | |
| Challenger - Mexico City | 03/30 22:35 | 27 | [194] Enzo Couacaud v Jan Choinski [220] | 1-6,2-6 | |
| Challenger - Mexico City | 03/29 20:00 | 26 | [220] Jan Choinski v Daniel Elahi Galan [89] | 4-6,6-3,6-2 | |
| Challenger - Mexico City | 03/28 00:45 | 25 | [220] Jan Choinski v Alexis Galarneau [213] | 6-2,6-2 |
Wikipedia - Jan Choinski
Jan Choinski (Polish: Choiński; born 10 June 1996 in Germany) is a Polish-German-British tennis player. Choinski has a career high ATP singles ranking of world No. 126, achieved on 21 August 2023. He represented Germany from the beginning of his career until the end of 2018 and then switched to Great Britain.