Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 St Petersburg | 2021/02/08 09:15 | Andrew Paulson v A.J Catanzariti | 3-6,4-6 |
| ITF M15 St Petersburg Qual | 2021/02/07 13:35 | Andrew Paulson v Pavel Shchaya-Zubrov | 6-2,6-2 |
| ITF M15 St Petersburg | 2021/02/04 10:00 | Jan Choinski v Andrew Paulson | 6-3,6-4 |
| ITF M15 St Petersburg | 2021/02/03 07:00 | Andrew Paulson v Andrey Chepelev | 6-3,6-3 |
| ITF M15 St Petersburg | 2021/02/01 07:00 | Andrew Paulson v Maxim Krapivin | 6-1,6-0 |
| ITF M15 St Petersburg | 2021/01/31 08:20 | Andrew Paulson v Evgeny Philippov | 6-3,6-4 |
| ITF M15 Manacor | 2021/01/13 14:00 | Andrew Paulson v Clement Tabur | 2-6,4-6 |
| ITF M15 Manacor | 2021/01/12 11:00 | Matias P D L Gomila v Andrew Paulson | 2-6,3-6 |
| ITF M15 Bratislava | 2021/03/01 15:00 | Dusan Obradovic v Zsombor Velcz | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/02/09 07:30 | Zsombor Velcz v Mate Valkusz | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/02/08 07:30 | Zsombor Velcz v Ken Onishi | 6-3,6-4 |
| ITF M15 Sharm El Sheikh | 2021/02/07 09:30 | Aldin Setkic v Zsombor Velcz | 3-6,6-1,9-11 |
| ITF M15 Sharm El Sheikh | 2021/01/31 10:30 | Abhinav Sanjeev Shanmugam v Zsombor Velcz | 6-4,6-2 |
| ITF M15 Heraklion | 2020/02/13 12:55 | Omar Giacalone v Zsombor Velcz | 6-1,7-6 |
| ITF M15 Heraklion | 2020/02/12 08:00 | Mike Urbanija v Zsombor Velcz | 6-7,4-6 |