Stadium: Court 5 Round: 28 Ground: Hardcourt outdoor
| ITF Bulgaria F1 | 2018/05/16 07:00 | Lucas Catarina v Alexander Donski | 6-2,6-2 |
| ITF - Monastir M15 | 2021/05/07 08:30 | Alibek Kachmazov v Lucas Catarina | 6-7,2-6 |
| ITF - Monastir M15 | 2021/05/06 08:30 | Zachary Svajda v Lucas Catarina | 4-6,3-6 |
| ITF - Monastir M15 | 2021/05/05 08:30 | Giorgio Ricca v Lucas Catarina | 2-6,6-3,3-6 |
| ITF - Monastir M15 | 2021/05/02 08:30 | Benjamin Pietri v Lucas Catarina | 0-6,0-6 |
| ITF - Monastir M15 | 2021/05/01 08:30 | Yuta Kawahashi v Lucas Catarina | 3-6,1-6 |
| ITF - Monastir M15 | 2021/04/30 10:20 | Alibek Kachmazov v Lucas Catarina | 2-6,2-6 |
| ITF - Monastir M15 | 2021/04/29 12:40 | Savva Polukhin v Lucas Catarina | 6-4,4-6,2-6 |
| ITF - Monastir M15 | 2021/04/28 08:30 | Michal Konecny v Lucas Catarina | 6-2,4-6,2-6 |
| ITF - Monastir M15 | 2021/05/07 08:30 | Erik Crepaldi v Alexander Donski | 6-7,7-5,4-6 |
| ITF - Monastir M15 | 2021/05/06 08:25 | Takashi Saito v Alexander Donski | 6-7,1-6 |
| ITF - Monastir M15 | 2021/05/04 09:00 | Alexander Donski v Shintaro Imai | 7-5,6-4 |
| ITF - Monastir M15 | 2021/04/28 08:25 | Alexander Donski v Jonathan Mridha | 5-7,7-6,6-7 |
| ITF - Monastir M15 | 2021/04/22 08:30 | Omar Giacalone v Alexander Donski | 3-6,6-2,6-3 |
| ITF - Monastir M15 | 2021/04/21 08:30 | Gilbert S K Junior v Alexander Donski | 4-6,6-4,3-6 |
| ITF - Monastir M15 | 2021/03/30 10:30 | Alexander Donski v Gilbert S K Junior | 6-7,3-6 |
| ITF - Monastir M15 | 2021/03/24 10:05 | Alexander Donski v Buvaysar Gadamauri | 6-7,5-7 |