Stadium: Court 4 Round: 25 Ground: Clay
| ITF - Monastir M15 | 2020/09/25 08:30 | Jean Thirouin v Alexander Erler | 4-6,4-6 |
| ITF - Antalya M15 | 2021/05/16 07:30 | Alexander Erler v Nick Hardt | 0-6,6-7 |
| ITF - Antalya M15 | 2021/05/15 07:30 | Orlando Luz v Alexander Erler | 6-4,6-7,2-6 |
| ITF - Antalya M15 | 2021/05/14 09:50 | Alexander Erler v Timofey Skatov | 4-6,6-2,6-1 |
| ITF - Antalya M15 | 2021/05/13 11:40 | Alexander Erler v Vladimir Ivanov | 5-7,6-3,6-1 |
| ITF - Antalya M15 | 2021/05/12 11:35 | Alexander Erler v Antonio Massara | 6-3,6-2 |
| ITF - Antalya M15 | 2021/05/09 08:50 | Alexander Erler v Adrian Andreev | 6-4,6-1 |
| ITF - Antalya M15 | 2021/05/08 07:30 | Orlando Luz v Alexander Erler | 5-7,6-7 |
| ITF - Antalya M15 | 2021/05/07 07:00 | Alexander Erler v Nick Hardt | 7-6,6-0 |
| ITF - Jablonec Nad Nisou M25 | 2021/05/19 10:10 | Mats Rosenkranz v Jean Thirouin | 6-3,6-3 |
| ITF - Jablonec Nad Nisou M25 | 2021/05/18 07:30 | Jean Thirouin v Filip Duda | 3-6,6-4,10-7 |
| ITF - Jablonec Nad Nisou M25 | 2021/05/17 08:30 | Jean Thirouin v Matej Galik | 6-3,3-6,10-7 |
| ITF - Jablonec Nad Nisou M25 | 2021/05/16 08:30 | Jean Thirouin v Vitek Horak | 7-5,6-0 |
| ITF - Praga M25 | 2021/05/11 07:55 | Lucas Bouquet v Jean Thirouin | 6-4,7-6 |
| ITF - Praga M25 | 2021/05/10 09:00 | Stepan Pecak v Jean Thirouin | 2-6,5-7 |
| ITF - Praga M25 | 2021/05/09 08:30 | Ondrej Valek v Jean Thirouin | 6-3,6-7,4-10 |
| ITF - Antalya M15 | 2021/05/04 07:00 | Jean Thirouin v Louroi Martinez | 4-6,2-6 |