Stadium: Center Round: 14 Ground: Hardcourt indoor
| ITF - M15 Poitiers | 2021/03/19 11:00 | Martin Breysach v Lucas Poullain | 0-6,3-6 |
| ITF - M15 Poitiers | 2021/03/18 09:30 | Martin Breysach v Max Wiskandt | 6-2,6-7,6-4 |
| ITF - M15 Poitiers | 2021/03/17 09:00 | Mick Veldheer v Martin Breysach | 1-6,6-4,6-7 |
| ITF - M15 Bratislava | 2021/03/10 15:15 | Danylo Kalenichenko v Martin Breysach | 7-5,4-6,7-5 |
| ITF - M25 Vale Do Lobo | 2021/02/21 11:30 | Lukas H Lilleengen v Martin Breysach | 3-6,6-2,11-9 |
| ITF - M15 Grenoble | 2021/02/10 12:15 | Martin Breysach v Lucas Poullain | 2-6,2-6 |
| ITF - M15 Monastir | 2021/01/13 08:00 | Simon Yitbarek v Martin Breysach | 7-5,3-6,1-6 |
| ITF - M15 Monastir | 2020/12/25 10:30 | Martin Breysach v Benjamin Pietri | 4-6,6-4,1-6 |
| Challenger - Gran Canaria | 2021/03/02 11:40 | Carlos Alcaraz Garfia v Filip Cristian Jianu | 6-3,6-7,6-1 |
| Challenger - Gran Canaria | 2021/03/01 11:00 | Filip Cristian Jianu v Sadio Doumbia | 6-2,6-3 |
| Challenger - Gran Canaria - Calificari | 2021/02/28 16:05 | Filip Cristian Jianu v Ivan Marrero Curbelo | 5-7,6-3,6-2 |
| Challenger - Gran Canaria | 2021/02/21 15:15 | Alex M Pujolras v Filip Cristian Jianu | 6-4,7-6 |
| ITF - M15 Antalya | 2021/02/17 09:15 | Facundo Juarez v Filip Cristian Jianu | 6-3,6-4 |
| ITF - M15 Antalya | 2021/02/14 06:50 | Filip Cristian Jianu v Agustin Velotti | 3-6,4-6 |
| ITF - M15 Antalya | 2021/02/13 07:00 | Filip Cristian Jianu v Pedro Cachin | 6-4,6-4 |
| ITF - M15 Antalya | 2021/02/12 10:30 | Khumoyun Sultanov v Filip Cristian Jianu | 2-6,1-6 |