Results
| ATP Monachium | 04/14 12:00 | 19 | [185] Jan Choinski v Marc-Andrea Huesler [232] | 6-7,7-6,3-6 | |
| ATP Monachium | 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 Hamburg | 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 Lille | 02/27 09:30 | 25 | [164] Giovanni Mpetshi Perricard v Jan Choinski [157] | 6-3,1-6,6-1 |
Wikipedia - Jan Choinski
Jan Choinski (ur. 10 czerwca 1996 w Koblencji) – brytyjski tenisista reprezentujący do 2018 roku Niemcy.