Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Cairo | 2021/01/19 08:00 | Quentin Folliot v Aristotelis Thanos | 6-4,4-6,10-8 |
| ITF M15 Poitiers | 2021/03/16 09:30 | Benjamin Pietri v Quentin Folliot | 7-6,6-2 |
| ITF M25 Trimbach | 2021/03/11 10:00 | Quentin Folliot v Alexander Erler | 4-6,3-6 |
| ITF M25 Trimbach | 2021/03/09 12:05 | Quentin Folliot v Raphael Baltensperger | 7-6,3-6,6-4 |
| ITF M25 Naples | 2021/02/22 16:00 | Dragos Constantin Ignat v Quentin Folliot | 6-3,6-3 |
| ITF M25 Naples | 2021/02/17 20:20 | Quentin Folliot v Patrick Kypson | 5-7,5-7 |
| ITF M25 Naples | 2021/02/16 18:20 | Ricardo Rodriguez-Pace v Quentin Folliot | 6-4,2-6,9-11 |
| ITF M25 Naples | 2021/02/15 16:00 | Juan David Velasquez v Quentin Folliot | 1-6,5-7 |
| UTR Pro Tennis Series Barcelona | 2021/01/28 12:00 | Quentin Folliot v Inaki Cabrera Bello | 7-6,6-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/10 13:30 | Alexander Lazov v Aristotelis Thanos | 6-4,5-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/09 12:30 | Aristotelis Thanos v Pierre Faivre | 6-2,6-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 08:30 | Aristotelis Thanos v Ilya Snitari | 2-6,7-6,4-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/06 11:30 | Aristotelis Thanos v Petr Nesterov | 7-5,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/05 10:00 | Thomas Laurent v Aristotelis Thanos | 6-3,6-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/03 07:00 | Aristotelis Thanos v Ilya Snitari | 5-7,0-0 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/02 10:00 | Aristotelis Thanos v Lucas Bouquet | 7-5,1-6,3-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/31 10:00 | Aristotelis Thanos v Plamen Milushev | 7-5,5-2 |