Stadium: CC Round: 25 Ground: Clay
| ITF M15 Heraklion | 2021/05/17 07:00 | Milan Welte v Tom Gentzsch | 6-0,6-3 |
| ITF M15 Troisdorf | 2021/05/09 13:00 | Yannik Steinegger v Milan Welte | 6-4,6-2 |
| ITF M25 Meerbusch | 2021/04/16 09:00 | Milan Welte v Alexander Erler | 1-6,4-6 |
| ITF M25 Meerbusch | 2021/04/15 10:00 | Markus Eriksson v Milan Welte | 3-6,1-6 |
| ITF M25 Meerbusch | 2021/04/14 12:15 | Milan Welte v Pietro Rondoni | 6-3,4-6,6-4 |
| ITF M25 Meerbusch | 2021/04/13 13:30 | Mats Rosenkranz v Milan Welte | 2-6,2-6 |
| ITF M25 Meerbusch | 2021/04/12 11:00 | Hendrik Jebens v Milan Welte | 5-7,1-6 |
| ITF M25 Meerbusch | 2021/04/11 13:30 | Jannik Rother v Milan Welte | 2-6,2-6 |
| ITF M15 Antalya | 2021/05/26 09:05 | Matteo Gigante v Tim Handel | 6-2,6-4 |
| ITF M15 Antalya | 2021/05/24 07:30 | Tim Handel v Farzin Danny Amiri | 6-0,6-0 |
| ITF M15 Antalya | 2021/05/23 07:30 | Tim Handel v Kaya Arinc | 6-2,6-1 |
| ITF M15 Troisdorf | 2021/05/09 08:00 | Tim Handel v Gian Luca Tanner | 5-7,2-6 |
| ITF M25 Meerbusch | 2021/04/16 13:00 | David Pichler v Tim Handel | 6-4,6-4 |
| ITF M25 Meerbusch | 2021/04/15 13:25 | Tobias Simon v Tim Handel | 4-6,6-7 |
| ITF M25 Meerbusch | 2021/04/14 10:00 | Tim Handel v Jiri Lehecka | 6-2,1-6,6-3 |
| ITF M25 Meerbusch | 2021/04/12 12:00 | Tim Handel v Hazem Naw | 6-2,6-1 |