Stadium: Indoor 2 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Kouvola | 2021/05/26 13:30 | Jonas Maier v Joao Victor C Loureiro | 4-6,3-6 |
| ITF M15 Heraklion | 2021/05/20 12:10 | Alexandros Skorilas v Joao Victor C Loureiro | 6-0,7-5 |
| ITF M15 Heraklion | 2021/05/19 11:00 | Wishaya Trongcharoenchaikul v Joao Victor C Loureiro | 3-6,6-3,6-7 |
| ITF M15 Kouvola | 2021/05/26 06:00 | Zsombor Velcz v Francesco Vilardo | 6-1,6-4 |
| ITF M15 Sibenik | 2021/05/17 09:30 | Julien Penzlin v Zsombor Velcz | 6-4,6-1 |
| ITF M15 New Delhi | 2021/04/02 05:30 | Zsombor Velcz v Simon Carr | 3-6,6-2,3-6 |
| ITF M15 New Delhi | 2021/04/01 06:10 | Manish Sureshkumar v Zsombor Velcz | 3-6,2-6 |
| ITF M15 New Delhi | 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 |