Stadium: Court 5 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Kouvola | 2021/05/27 11:00 | Anton Matusevich v Oscar Weightman | 6-0,6-4 |
| ITF M15 Kouvola | 2021/05/26 06:00 | Anton Matusevich v Bekkhan Atlangeriev | 6-2,6-3 |
| UK Pro League | 2021/04/11 13:30 | Anton Matusevich v Henry Patten | 7-5,6-1 |
| UK Pro League | 2021/04/10 16:00 | Anton Matusevich v George Houghton | 7-5,7-5 |
| UK Pro League | 2021/04/09 11:30 | Anton Matusevich v Lui Maxted | 6-4,6-4 |
| UK Pro League | 2021/04/08 09:00 | Anton Matusevich v Tom Hands | 6-0,6-3 |
| UK Pro League | 2021/04/07 09:00 | Anton Matusevich v Joshua Paris | 6-2,6-1 |
| UK Pro League | 2021/04/06 11:35 | Anton Matusevich v Oscar Weightman | 6-4,6-0 |
| ITF M15 Kouvola | 2021/05/27 12:25 | Joao Victor C Loureiro v Zsombor Velcz | 2-6,6-4,2-6 |
| 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 |