Stadium: VOLKSBANK Court Round: 29 Ground: Clay
| ITF M25 Ueberlingen | 2021/08/21 10:00 | Ergi Kirkin v Tim Handel | 4-6,7-6,7-6 |
| ITF M25 Ueberlingen | 2021/08/20 10:00 | Ergi Kirkin v Oliver Crawford | 6-4,3-6,6-2 |
| ITF M25 Ueberlingen | 2021/08/19 12:30 | Ergi Kirkin v Leopold Zima | 5-7,6-0,6-3 |
| ITF M25 Ueberlingen | 2021/08/17 14:50 | Ergi Kirkin v Fellin, Manfred | 1-6,6-0,6-2 |
| ITF M15 Parnu | 2021/08/08 08:00 | Ergi Kirkin v Siimar, Mattias | 5-7,6-3,6-3 |
| ITF M15 Parnu | 2021/08/07 09:30 | Ergi Kirkin v Roncalli, Simone | 6-1,6-2 |
| ITF M15 Parnu | 2021/08/06 08:00 | Ergi Kirkin v Johnson, Luke | 6-2,6-1 |
| ITF M15 Parnu | 2021/08/05 10:30 | Ergi Kirkin v Kotzen, Alexander | 7-6,6-4 |
| ITF M25 Ueberlingen | 2021/08/20 14:45 | Louis Wessels v Henri Squire | 4-6,6-2,4-6 |
| ITF M25 Ueberlingen | 2021/08/19 08:00 | Henri Squire v Oriol Roca Batalla | 6-7,6-4,6-3 |
| ITF M25 Ueberlingen | 2021/08/18 08:00 | Henri Squire v Max Wiskandt | 6-4,6-3 |
| ITF M25 Ueberlingen | 2021/08/17 08:00 | Henri Squire v Nick Dufner | 6-1,6-0 |
| ITF M25 Wetzlar | 2021/08/06 10:55 | David Pichler v Henri Squire | 4-6,6-4,6-4 |
| ITF M25 Wetzlar | 2021/08/05 09:00 | Tim Handel v Henri Squire | 6-3,3-6,6-7 |
| ITF M25 Wetzlar | 2021/08/03 16:10 | Henri Squire v Benjamin Hassan | 6-2,6-3 |
| ITF M25 Marburg | 2021/07/09 14:55 | Henri Squire v Louis Wessels | 3-6,5-7 |