Stadion: Court 4 Round: 26 Ground: Clay
| ITF - M25 - Ricany | 2021/09/03 08:30 | Robin Stanek v Facundo Diaz Acosta | 6-1,6-3 |
| ITF - M25 - Ricany | 2021/09/02 09:35 | Kaichi Uchida v Robin Stanek | 5-7,3-6 |
| ITF - M25 - Ricany | 2021/09/01 08:00 | Matyas Cerny v Robin Stanek | 7-6,3-6,1-6 |
| ITF - M15 - Bratislava | 2021/08/26 08:00 | Robin Stanek v Stefan Palosi | 3-6,3-6 |
| ITF - M15 - Bratislava | 2021/08/25 12:45 | Robin Stanek v Adria Soriano Barrera | 6-4,6-3 |
| ITF - M15 - Bratislava | 2021/08/20 09:00 | Tomas Liska v Robin Stanek | 7-6,6-3 |
| ITF - M15 - Bratislava | 2021/08/19 10:15 | Robin Stanek v Matvey Minin | 6-4,6-4 |
| ITF - M15 - Bratislava | 2021/08/18 08:00 | Robin Stanek v Lukas Palovic | 7-6,6-1 |
| ITF - M25 - Pardubice | 2021/09/21 11:55 | Milan Welte v Pawel Juszczak | 6-4,6-3 |
| ITF - M15 - Allershausen | 2021/09/01 12:05 | Milan Welte v Niklas Schell | 6-3,2-6,3-6 |
| ITF - M25 - Trier | 2021/08/24 11:00 | Milan Welte v Tim Handel | 6-2,1-6,6-7 |
| ITF - M25 - Überlingen | 2021/08/19 10:35 | Louis Wessels v Milan Welte | 6-4,6-3 |
| ITF - M25 - Überlingen | 2021/08/18 14:10 | Milan Welte v Constantin Bittoun Kouzmine | 6-4,6-0 |
| ITF - M25 - Frankfurt am Main | 2021/08/09 14:10 | Milan Welte v Taiyo Yamanaka | 6-7,4-6 |
| ITF - M15 - Parnu | 2021/08/04 09:20 | Vladimir Ivanov v Milan Welte | 7-5,1-6,6-3 |
| ITF - M25 - Marburg | 2021/07/09 12:00 | Ryan Nijboer v Milan Welte | 4-6,6-3,6-1 |