ITF Turkey F41 11/20 08:00 - Tucker Vorster v Jan Choinski 4-6,7-6,3-6
ITF Turkey F41 11/19 11:20 - Jan Choinski v Tallon Griekspoor 6-3,6-4
ITF Turkey F40 11/11 08:00 - Denys Mylokostov v Jan Choinski 6-4,1-6,6-3
ITF Germany F16 10/15 11:45 - Matthias Wunner v Jan Choinski 6-4,6-2
ITF Germany F15 10/09 10:00 - Jan Choinski v Peter Kobelt 6-4,2-6,6-7
ITF Germany F15 10/08 11:10 - Pavel Nejedly v Jan Choinski 5-7,2-6
ITF Germany F14 10/02 16:00 - Florian Fallert v Jan Choinski 7-5,6-4
ITF Germany F14 10/01 14:10 - Jan Choinski v Christian Hirschmueller 6-3,6-3
ITF France F20 09/23 16:00 - Hugo Nys v Jan Choinski 6-3,6-7,7-5
ITF France F20 Qual 09/21 08:30 - Jan Choinski v Joel Vincent Link 6-4,6-4
ITF Belgium F12 08/23 15:00 - Julien Cagnina v Jan Choinski 6-3,4-6,6-7
ITF Belgium F12 08/22 13:30 - Jan Choinski v Omar Salman 7-6,6-1
ITF Belgium F12 08/20 14:30 - Jan Choinski v David Perez Sanz 6-4,6-2
ITF Germany F12 08/17 11:00 - Yannick Hanfmann v Jan Choinski 7-5,6-1
ITF Germany F12 08/16 11:00 - Jan Choinski v Johannes Haerteis 7-6,6-0
ITF Germany F12 08/14 15:35 - Jan Choinski v Paul Woerner 6-3,5-7,6-3
ITF Germany F12 08/12 12:50 - Teri Groll v Jan Choinski 4-6,1-6
ITF Germany F10 07/30 14:00 - Maxime Tchoutakian v Jan Choinski 5-7,4-6
ITF Germany F10 Qual 07/28 15:00 - Marvin Netuschil v Jan Choinski 2-6,7-6,1-6
ITF Germany F10 Qual 07/27 13:00 - Niclas Braun v Jan Choinski 0-6,4-6
ITF Germany F10 Qual 07/27 12:00 - Killian Davanzo v Jan Choinski 2-6,2-6
ITF Germany F9 07/23 13:25 - Kim Moellers v Jan Choinski Retired
ITF Germany F8 07/15 15:30 - Jan Choinski v Peter Torebko 2-6,1-6
ATP Stuttgart Qual 07/06 13:00 46 Jan Choinski v Yann Marti 2-6,7-6,2-6
ATP Stuttgart Qual 07/05 14:10 45 Jan Choinski v David Estruch 6-3,6-3

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.