Challenger - Charlottesville 10/27 21:45 45 Jan Choinski v Ryan Shane 4-6,6-2,7-6
Challenger Las Vegas 10/23 22:45 25 [271] Jan Choinski v Roberto O-Olmedo [315] 3-6,4-6
Challenger Las Vegas 10/23 17:00 25 Jan Choinski v Ernesto Escobedo Cancelled
Challenger Calgary 10/18 17:00 26 [267] Jan Choinski v Casper Ruud [127] 3-6,2-6
Challenger Calgary 10/15 20:30 25 [262] Stefan Kozlov v Jan Choinski [267] 3-6,3-6
Challenger - Fairfield 10/07 17:00 46 [258] Jan Choinski v Marc-Andrea Huesler [378] 3-6,1-6
Challenger - Fairfield 10/06 19:25 45 Jan Choinski v William Griffith 6-4,7-6
Challenger Stockton 10/02 17:00 25 [258] Jan Choinski v Casper Ruud [135] 3-6,0-6
Challenger - Tiburon 09/24 17:00 54 [259] Jan Choinski v Roberto Ortega-Olmedo [327] 6-7,3-6
Challenger - Tiburon 09/23 17:00 46 [266] Jan Choinski v Alejandro Gomez [496] 6-4,1-6,6-0
Challenger - Tiburon 09/22 17:00 25 Jan Choinski v Ryder Jackson Cancelled
Challenger - Columbus 09/17 16:35 25 Jeffrey John Wolf v Jan Choinski 7-5,6-4
Challenger - Cary 09/12 00:10 25 [265] Jan Choinski v Donald Young [239] 7-6,2-6,1-6
ITF Belgium F9 08/26 13:00 29 Jan Choinski v Colin Sinclair 3-6,7-6,6-3
ITF Belgium F9 08/25 12:00 28 Jan Choinski v Samuel Brosset 6-3,6-3
ITF Belgium F9 08/24 12:00 27 [262] Jan Choinski v Dan Added [283] 6-3,6-0
ITF Belgium F9 08/22 13:00 26 Jan Choinski v Nikolas S Izquierdo 6-3,6-3
ITF Belgium F9 08/21 10:30 25 Jan Choinski v Felipe M Sarrasague 6-2,6-0
Challenger - Meerbusch 08/19 12:30 29 [301] Jan Choinski v Filip Horansky [251] 7-6,3-6,3-6
Challenger - Meerbusch 08/18 11:30 28 [301] Jan Choinski v Dustin Brown [257] 6-4,6-3
Challenger - Meerbusch 08/17 11:00 27 [301] Jan Choinski v Bernabe Zapata Miralles [280] 5-7,6-2,6-1
Challenger - Meerbusch 08/15 16:20 26 [423] Zizou Bergs v Jan Choinski [301] 3-6,4-6
Challenger - Meerbusch 08/14 13:45 25 [394] Andreas Haider-Maurer v Jan Choinski [301] 1-6,4-6
ITF Germany F11 08/11 12:00 29 [286] Jan Choinski v Benjamin Hassan [381] 6-4,3-6,6-3
ITF Germany F11 08/10 12:00 28 Jan Choinski v Christoph Negritu 6-4,6-3
ITF Germany F11 08/09 11:40 27 Jan Choinski v Constantin Schmitz 6-3,6-2
ITF Germany F11 08/08 14:15 26 Jan Choinski v Leonard Von Hindte 7-5,7-5
ITF Germany F11 08/07 15:45 25 Jan Choinski v Chris Rodesch 6-1,7-5
Challenger Sopot 08/01 12:10 26 [295] Jan Choinski v Paolo Lorenzi [110] 5-7,0-6
Challenger Sopot 07/31 09:00 25 [264] Gleb Sakharov v Jan Choinski [295] 6-0,4-6,1-6

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.