| UTR Pro Tennis Series Pazardzhik | 2021/03/31 10:00 | Aristotelis Thanos v Plamen Milushev | 7-5,5-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/30 11:30 | Aristotelis Thanos v Jules Marie | 6-1,5-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/29 12:00 | Anthony Genov v Aristotelis Thanos | 3-6,2-5 |
| ITF M15 Monastir | 2021/03/24 08:30 | Aristotelis Thanos v Renta Tokuda | 4-6,5-7 |
| ITF M15 Monastir | 2021/03/22 14:30 | Leon Hoeveler v Aristotelis Thanos | 1-6,1-6 |
| ITF M15 Monastir | 2021/03/22 10:00 | Jakub Kroslak v Aristotelis Thanos | 4-6,2-6 |
| ITF M15 Monastir | 2021/03/14 10:00 | Savva Polukhin v Aristotelis Thanos | 6-3,6-3 |
| ITF M15 Monastir | 2021/03/07 09:00 | Viktor Jovic v Aristotelis Thanos | 6-2,2-6,11-9 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/01 11:30 | Jules Marie v Lucas Bouquet | 7-6,2-6,3-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/30 11:30 | Anthony Genov v Lucas Bouquet | 3-6,5-7 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/29 11:00 | Lucas Bouquet v Plamen Milushev | 6-3,5-0 |
| ITF M15 Opatija | 2021/03/22 11:55 | Matic Spec v Lucas Bouquet | 6-1,6-1 |
| ITF M15 Opatija | 2021/03/21 11:00 | Marco De Rosa v Lucas Bouquet | 3-6,2-6 |
| ITF M15 Rovinj | 2021/03/17 12:50 | Ivan Nedelko v Lucas Bouquet | 6-1,3-6,6-1 |
| ITF M15 Rovinj | 2021/03/16 13:00 | Luka Pavlovic v Lucas Bouquet | 4-6,6-7 |
| ITF M15 Rovinj | 2021/03/15 15:50 | Lucas Bouquet v Victor Vlad Cornea | 6-3,4-6,10-8 |