Stadion: Court C Round: 28 Ground: Clay
| ITF - M25 - Pardubice | 2021/09/24 11:00 | Henri Squire v Pavel Nejedly | 6-1,6-3 |
| ITF - M25 - Pardubice | 2021/09/23 11:15 | Milos Karol v Henri Squire | 1-6,1-6 |
| ITF - M25 - Pardubice | 2021/09/22 10:50 | Matvey Minin v Henri Squire | 6-3,3-6,4-6 |
| ITF - M15 - Allershausen | 2021/09/01 11:15 | Peter Heller v Henri Squire | 6-3,3-6,6-4 |
| ITF - M25 - Trier | 2021/08/28 12:40 | Louis Wessels v Henri Squire | 7-5,5-7,6-3 |
| ITF - M25 - Trier | 2021/08/27 15:00 | Ryan Nijboer v Henri Squire | 2-6,3-6 |
| ITF - M25 - Trier | 2021/08/26 11:50 | Moez Echargui v Henri Squire | 6-3,1-6,2-6 |
| ITF - M25 - Trier | 2021/08/25 15:00 | Henri Squire v Oliver Crawford | 3-6,6-1,6-2 |
| ITF - M25 - Pardubice | 2021/09/23 10:30 | Alexander Weis v Toby Martin | 6-7,6-3,6-2 |
| ITF - M25 - Pardubice | 2021/09/22 08:00 | Alexander Weis v Mikalai Haliak | 7-6,6-4 |
| Challenger - Banja Luka | 2021/09/05 11:05 | Dragos Nicolae Madaras v Alexander Weis | 6-3,6-0 |
| ITF - M25 - Sierre | 2021/09/01 11:35 | Yannik Steinegger v Alexander Weis | 6-7,7-6,6-3 |
| ITF - M25 - Caslano | 2021/08/27 12:35 | Alexander Weis v Calvin Hemery | 2-6,4-6 |
| ITF - M25 - Caslano | 2021/08/26 10:10 | Nicholas David Ionel v Alexander Weis | 3-6,3-6 |
| ITF - M25 - Caslano | 2021/08/25 13:00 | Tristan Schoolkate v Alexander Weis | 4-6,3-6 |
| ITF - M15 - Warmbad-Villach | 2021/08/22 09:00 | Peter Heller v Alexander Weis | 6-3,6-4 |