Round: 44
| Challenger Lille | 2019/03/19 10:20 | Jan Choinski v Yannick Hanfmann | 6-0,6-4 |
| ITF France F18 | 2015/09/16 14:30 | Jan Choinski v Yannick Hanfmann | 4-6,6-2,3-6 |
| ITF Netherlands F5 | 2015/08/19 08:00 | Jan Choinski v Yannick Hanfmann | 2-6,1-6 |
| ITF Germany F12 | 2014/08/17 11:00 | Yannick Hanfmann v Jan Choinski | 7-5,6-1 |
| ITF M15 Santo Domingo | 2019/12/08 15:00 | Jan Choinski v Camilo Ugo Carabelli | 6-0,6-0 |
| ITF M15 Santo Domingo | 2019/12/07 16:15 | Jan Choinski v Paul Jubb | 6-2,6-1 |
| ITF M15 Santo Domingo | 2019/12/06 15:50 | Jan Choinski v Jose Olivares | 6-1,6-4 |
| ITF M15 Santo Domingo | 2019/12/05 14:00 | Jan Choinski v Toby Alex Kodat | 6-1,6-0 |
| ITF M15 Santo Domingo | 2019/12/04 16:40 | Jan Choinski v Peter Bertran | 6-2,6-1 |
| ITF M15 Santo Domingo | 2019/12/01 14:00 | Jan Choinski v Daniel Altmaier | 3-6,6-4,4-6 |
| ITF M15 Santo Domingo | 2019/11/30 14:00 | Jan Choinski v Paul Jubb | 6-4,7-5 |
| ITF M15 Santo Domingo | 2019/11/29 13:55 | Jan Choinski v Arklon H D Pino | 6-2,6-1 |
| Challenger Burnie | 2020/02/01 02:45 | Jason Kubler v Yannick Hanfmann | 4-6,1-6 |
| Challenger Burnie | 2020/01/31 00:00 | Yannick Hanfmann v Michail Pervolarakis | 6-4,6-1 |
| Challenger Burnie | 2020/01/30 00:00 | Nikola Milojevic v Yannick Hanfmann | 4-6,4-6 |
| Challenger Burnie | 2020/01/28 23:00 | Tristan Schoolkate v Yannick Hanfmann | 2-6,3-6 |
| Australian Open | 2020/01/16 06:35 | Yannick Hanfmann v Prajnesh Gunneswaran | 6-1,2-6,1-6 |
| Australian Open | 2020/01/14 07:10 | Carlos Taberner v Yannick Hanfmann | 6-7,1-6 |
| Challenger Noumea | 2020/01/09 00:00 | Yannick Hanfmann v Matteo Viola | 4-6,7-6,4-6 |
| Challenger Noumea | 2020/01/08 00:00 | Yannick Hanfmann v Joao Menezes | 6-4,6-2 |