| UTR Pro Tennis Series Barcelona | 2021/06/25 11:00 | Xavier Gabarro v Ihor Dudun | 6-2,5-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/23 09:30 | Kuzey Cekirge v Ihor Dudun | 6-0,5-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/22 12:30 | Tristan Meraut v Ihor Dudun | 6-4,3-5 |
| UTR Pro Tennis Series Barcelona | 2021/06/21 14:00 | Ihor Dudun v David Perez Sanz | 1-6,6-3,6-4 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 07:30 | Ihor Dudun v Mihai Razvan Marinescu | 0-6,1-5 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 12:00 | Ihor Dudun v Warren Sinius | 4-6,0-6 |
| UTR Pro Tennis Series Bucharest | 2021/05/30 10:00 | Ihor Dudun v Marcelo Zormann | 1-6,0-6 |