Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Šibenik | 2021/05/17 09:30 | Julien Penzlin v Zsombor Velcz | 6-4,6-1 |
| ITF - M15 Naí Dillí | 2021/04/02 05:30 | Zsombor Velcz v Simon Carr | 3-6,6-2,3-6 |
| ITF - M15 Naí Dillí | 2021/04/01 06:10 | Manish Sureshkumar v Zsombor Velcz | 3-6,2-6 |
| ITF - M15 Naí Dillí | 2021/03/31 10:30 | Muthu A Senthilkumar v Zsombor Velcz | 4-6,1-6 |
| ITF - M15 Pune | 2021/03/25 08:05 | Zsombor Velcz v Manish Sureshkumar | 6-3,6-7,4-6 |
| ITF - M15 Pune | 2021/03/23 04:00 | Marco Brugnerotto v Zsombor Velcz | 6-4,4-6,5-7 |
| ITF - M15 Bratislava | 2021/03/03 08:55 | Andrew Paulson v Zsombor Velcz | 1-6,6-3,6-4 |
| ITF - M15 Bratislava | 2021/03/01 15:00 | Dusan Obradovic v Zsombor Velcz | 4-6,2-6 |
| ITF - M15 Tbilisi | 2021/05/18 10:00 | Alexander Shevchenko v Francesco Vilardo | 6-0,6-4 |
| ITF - M15 Monastir | 2021/05/04 10:30 | Luca Potenza v Francesco Vilardo | 6-2,6-2 |
| ITF - M15 Monastir | 2021/04/28 12:30 | Alibek Kachmazov v Francesco Vilardo | 2-6,6-4,7-5 |
| ITF - M15 Šibenik | 2021/04/22 08:00 | Francesco Vilardo v Duje Kekez | 3-6,3-6 |
| ITF - M15 Šibenik | 2021/04/20 12:40 | Francesco Vilardo v Petr Michnev | 6-0,6-4 |
| ITF - M15 Sharm El Sheikh | 2021/04/08 07:30 | Francesco Vilardo v Yuta Shimizu | 4-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2021/04/07 10:00 | Francesco Vilardo v Daniel Cox | 6-4,6-4 |
| ITF - M15 Sharm El Sheikh | 2021/04/01 07:30 | Francesco Vilardo v Makoto Ochi | 4-6,4-6 |