| ATP Monaco | 04/14 12:00 | 19 | [185] Jan Choinski v Marc-Andrea Huesler [232] | 6-7,7-6,3-6 | |
| ATP Monaco | 04/13 11:50 | 14 | Jan Choinski v Henri Haupt | 6-1,6-1 | |
| ATP Estoril | 04/04 11:00 | 26 | [188] Jan Choinski v Hubert Hurkacz [10] | 6-7,4-6 | |
| ATP Estoril | 04/03 11:00 | 25 | [188] Jan Choinski v Joao Fonseca [288] | 6-2,6-7,6-4 | |
| ATP Estoril | 03/31 14:30 | 19 | Duarte Vale v Jan Choinski | 3-6,4-6 | |
| ATP Estoril | 03/30 15:10 | 14 | Francisco Rocha v Jan Choinski | 5-7,1-6 | |
| Challenger Girona | 03/26 13:00 | 25 | [151] Jesper De Jong v Jan Choinski [169] | 6-3,6-3 | |
| Challenger Murcia | 03/18 16:35 | 25 | [152] Pablo Llamas Ruiz v Jan Choinski [169] | 7-6,7-6 | |
| Challenger Amburgo | 03/11 14:30 | 25 | [172] Jan Choinski v Yasutaka Uchiyama [245] | 4-6,6-7 | |
| Challenger Lugano | 03/07 13:15 | 26 | [172] Jan Choinski v Rudolf Molleker [187] | 6-7,4-6 | |
| Challenger Lugano | 03/06 09:00 | 25 | [172] Jan Choinski v Coleman Wong [215] | 3-6,6-3,6-4 | |
| Challenger Lilla | 02/27 09:30 | 25 | [164] Giovanni Mpetshi Perricard v Jan Choinski [157] | 6-3,1-6,6-1 | |
| Challenger Pau | 02/21 18:20 | 25 | [112] Benoit Paire v Jan Choinski [157] | 6-4,6-2 | |
| Challenger Cherbourg | 02/13 19:05 | 25 | [280] Tristan Lamasine v Jan Choinski [157] | 6-4,3-6,7-6 | |
| Challenger Nottingham | 02/07 15:15 | 25 | [161] Jan Choinski v Dimitar Kuzmanov [225] | 4-6,6-1,3-6 | |
| Challenger Koblenz | 01/31 13:00 | 25 | Jan Choinski v Stefano Travaglia | Cancelled | |
| Challenger Ottignies | 01/26 13:30 | 27 | [127] Brandon Nakashima v Jan Choinski [162] | 6-1,6-7,7-5 | |
| Challenger Ottignies | 01/25 09:00 | 26 | [162] Jan Choinski v Adrian Andreev [263] | 7-6,6-1 | |
| Challenger Ottignies | 01/23 17:55 | 25 | [169] Antoine Escoffier v Jan Choinski [162] | 3-6,6-7 | |
| Australian Open | 01/10 00:55 | 14 | [163] Jan Choinski v Benjamin Hassan [150] | 4-6,0-6 | |
| ATP Hong Kong | 01/01 04:00 | 19 | [75] Taro Daniel v Jan Choinski [160] | 6-4,3-6,6-4 | |
| ATP Hong Kong | 12/31 04:00 | 14 | [160] Jan Choinski v Zizou Bergs [129] | 6-2,6-2 | |
| Challenger Danderyd | 11/14 17:20 | 25 | [154] Jan Choinski v Brandon Nakashima [143] | 4-6,2-6 | |
| ATP Metz | 11/04 10:00 | 14 | [152] Jan Choinski v Mathias Bourgue [279] | 6-7,7-6,2-6 | |
| Challenger Ismaning | 10/30 15:55 | 25 | [268] Alibek Kachmazov v Jan Choinski [152] | 6-4,5-7,6-2 | |
| Challenger Santa Fe | 10/16 17:30 | 25 | [169] Andrea Pellegrino v Jan Choinski [150] | Retired | |
| Challenger Buenos Aires | 10/13 17:45 | 27 | [83] Federico Coria v Jan Choinski [127] | 5-7,7-6,6-3 | |
| Challenger Buenos Aires | 10/12 15:30 | 26 | [137] Hugo Dellien v Jan Choinski [127] | Retired | |
| Challenger Buenos Aires | 10/10 18:00 | 25 | [150] Thiago Monteiro v Jan Choinski [127] | 3-6,6-1,3-6 | |
| Challenger Campinas | 10/04 14:00 | 26 | [190] Andrea Pellegrino v Jan Choinski [128] | 6-4,3-6,6-3 |
Wikipedia - Jan Choinski
Jan Choinski (Coblenza, 10 giugno 1996) è un tennista britannico, con cittadinanza tedesca.
Ha come migliori piazzamenti nel ranking ATP la 129ª posizione in singolare raggiunta nell'agosto 2023 e la 622ª in doppio nel gennaio 2019.
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