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