Challenger Sopot 07/31 09:00 25 [264] Gleb Sakharov v Jan Choinski [295] 6-0,4-6,1-6
Challenger Padova 07/24 10:30 25 [200] Andrea Arnaboldi v Jan Choinski [275] 6-2,6-0
Challenger Scheveningen 07/17 10:00 25 [308] Botic Van De Zandschulp v Jan Choinski [271] 7-5,6-2
ATP Eastbourne Qual 06/23 10:00 64 [284] Carlos Gomez-Herrera v Jan Choinski [264] 6-3,6-4
Challenger L'Aquila 06/19 14:25 25 [194] Luca Vanni v Jan Choinski [264] 6-3,4-6,6-2
ATP Stuttgart Qual 06/09 13:00 64 [113] Denis Kudla v Jan Choinski [268] 7-6,6-3
Challenger Prostějov 06/04 11:30 25 [268] Jan Choinski v Zdeněk Kolář [247] 7-5,2-6,4-6
French Open Qual 05/23 11:05 45 [221] Goncalo Oliveira v Jan Choinski [261] 6-4,1-6,6-1
French Open Qual 05/21 14:05 44 [261] Jan Choinski v Alexander Bublik [141] 7-5,6-4
ATP Geneva Qual 05/19 10:15 64 [315] Frank Dancevic v Jan Choinski [245] 7-6,7-5
Challenger - Savannah 04/30 14:00 25 [239] Jan Choinski v Hugo Dellien [158] 6-2,1-6,2-6
Challenger Tallahassee 04/24 17:00 25 [236] Jan Choinski v Juan Ignacio Londero [202] 6-1,4-6,1-6
Challenger Sarasota 04/17 14:00 25 Facundo Bagnis v Jan Choinski 6-2,6-4
Challenger Sarasota Qual 04/15 15:45 54 [239] Jan Choinski v Kaichi Uchida [297] 6-1,3-6,3-6
Challenger Sarasota Qual 04/14 21:00 46 Jan Choinski v Samuel Shropshire 7-5,3-6,6-3
Challenger Mexico City 04/13 20:40 27 [239] Jan Choinski v Facundo Arguello [289] 5-7,2-6
Challenger Mexico City 04/13 00:55 26 [115] Carlos Berlocq v Jan Choinski [239] 3-6,4-6
Challenger Mexico City 04/09 21:00 25 [261] Ivan Nedelko v Jan Choinski [239] 6-3,3-6,2-6
Challenger Panama City 04/06 00:55 27 [249] Jan Choinski v Juan Ignacio Londero [357] 3-6,1-6
Challenger Panama City 04/04 18:30 26 [249] Jan Choinski v Jay Clarke [238] 6-4,6-2
Challenger Panama City 04/03 18:35 25 Felipe Mantilla v Jan Choinski 7-6,4-6,2-6
Challenger Panama City 04/03 15:00 25 Dusan Lajovic v Jan Choinski View
Challenger San Luis Potosi 03/30 22:25 27 [222] Marcelo Arevalo v Jan Choinski [277] 6-2,3-6,6-3
Challenger San Luis Potosi 03/30 00:00 26 [414] Manuel Sanchez v Jan Choinski [277] 4-6,5-7
Challenger San Luis Potosi 03/28 21:40 25 [277] Jan Choinski v Gerald Melzer [113] Retired
ITF USA F7 03/18 22:40 29 Mathias Bourgue v Jan Choinski 6-2,6-3
ITF USA F7 03/17 20:50 28 Jan Choinski v Borna Gojo 6-3,6-2
ITF USA F7 03/16 23:10 27 Ulises Blanch v Jan Choinski 1-6,2-6
ITF USA F7 03/15 22:40 26 Daniel Appelgren v Jan Choinski 1-6,2-6
ITF USA F7 03/13 19:50 25 Alexios Halebian v Jan Choinski 2-6,1-6

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.