Stadium: Centre Court Round: 29 Ground: Clay
| ITF M15 Skopje | 2021/06/05 08:00 | Zekic, Miljan v Alexis Gautier | 6-3,4-6,4-6 |
| ITF M15 Skopje | 2021/06/04 10:05 | Oscar Moraing v Alexis Gautier | 0-6,0-6 |
| ITF M15 Skopje | 2021/06/03 10:15 | Turchetti, Nicolo v Alexis Gautier | 6-7,2-6 |
| ITF M15 Skopje | 2021/06/01 11:00 | Stanek, Robin v Alexis Gautier | 4-6,6-7 |
| ITF - M15 Bucarest | 2021/05/29 09:55 | Madaras, Dragos Nicolae v Alexis Gautier | 6-0,7-6 |
| ITF - M15 Bucarest | 2021/05/29 08:00 | Alexis Gautier v Frunza, Nicolae | 6-3,6-4 |
| ITF - M15 Bucarest | 2021/05/27 11:20 | Alexis Gautier v Simon Beaupain | 6-3,6-1 |
| ITF - M15 Bucarest | 2021/05/25 15:55 | Alexis Gautier v Carr, Simon | 6-1,6-1 |
| ITF M15 Skopje | 2021/06/05 10:40 | Dalibor Svrcina v Ryan Nijboer | 6-1,4-6,5-7 |
| ITF M15 Skopje | 2021/06/04 10:25 | Alexander Weis v Ryan Nijboer | 6-7,6-7 |
| ITF M15 Skopje | 2021/06/03 09:30 | Ryan Nijboer v Alex Rybakov | 2-6,7-6,6-4 |
| ITF M15 Skopje | 2021/06/02 09:55 | Niels Visker v Ryan Nijboer | 6-4,3-6,4-6 |
| ITF M25 Vic | 2021/05/19 09:00 | Ryan Nijboer v Facundo Juarez | 6-3,4-6,4-6 |
| ITF M25 Vic | 2021/05/18 08:00 | Laurent Lokoli v Ryan Nijboer | 3-6,4-6 |
| ITF M25 Vic | 2021/05/17 08:00 | Pedro Araujo v Ryan Nijboer | 6-3,0-6,4-10 |
| ITF M25 Vic | 2021/05/16 07:00 | Allan Deschamps v Ryan Nijboer | 7-6,4-6,4-10 |