Stadium: Court 7 Round: 54 Ground: Clay
| ITF M25 Decatur | 2021/08/02 15:00 | Stefan Dostanic v Stalder, Reese | 7-5,6-1 |
| ITF M15 Edwardsville | 2021/07/21 16:00 | Strong Kirchheimer v Stalder, Reese | 7-6,7-6 |
| ITF M15 Edwardsville | 2021/07/20 14:30 | Stalder, Reese v Parker, Jordan | 6-4,6-0 |
| ITF - M15 Héraklion | 2021/06/07 06:30 | Stalder, Reese v Ginat, Roi | 6-1,6-3 |
| ITF - M15 Héraklion | 2021/06/04 06:30 | Stalder, Reese v Yuki Mochizuki | 2-6,5-7 |
| ITF - M15 Héraklion | 2021/06/03 06:30 | Alexander Donski v Stalder, Reese | 3-6,6-3,4-6 |
| ITF - M15 Héraklion | 2021/06/02 09:50 | Stalder, Reese v Uzhylovsky, Vladimir | 6-3,7-5 |
| ITF - M15 Héraklion | 2021/06/01 06:30 | Stalder, Reese v Zemel, Yankel | 6-1,6-4 |
| ITF - M15 Héraklion | 2021/05/30 09:00 | Nico Hornitschek v Sean Hodkin | 1-6,2-6 |
| ITF - M15 Héraklion | 2021/05/23 10:00 | Nico Hornitschek v Ammar Elamin | 7-6,3-6,6-10 |
| ITF - M15 Héraklion | 2021/05/16 06:30 | Born, Yannick Stephan v Nico Hornitschek | 4-6,7-6,10-6 |
| ITF M25 Meerbusch | 2021/04/11 14:30 | Nico Hornitschek v Prechtel, Sebastian | 2-6,2-6 |
| ITF - M25 Trimbach | 2021/03/08 16:25 | Mischa Lanz v Nico Hornitschek | 6-4,6-3 |
| German Championship | 2020/12/08 09:30 | Nico Hornitschek v Ehrenschneider, Nino | 6-4,3-6,2-6 |
| ITF Germany F12 | 2018/08/12 08:00 | Tim Handel v Nico Hornitschek | 6-2,7-5 |
| ITF Germany F1 Qual | 2017/01/09 16:35 | Kahlke, Jannis v Nico Hornitschek | 6-3,6-3 |