Stadium: Hard Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/11/23 07:00 | Aristotelis Thanos v Jan Kupcic | 6-0,6-2 |
| ITF M15 Heraklion | 2021/11/22 11:00 | Jan Kupcic v Sean Hodkin | 7-6,0-6,10-8 |
| ITF M15 Bad Waltersdorf | 2021/08/29 07:00 | Jan Kupcic v Alberto Morolli | 6-1,3-6,8-10 |
| ITF M25 Kiseljak | 2021/05/24 12:15 | Jan Kupcic v Rrezart Cungu | 6-4,0-6,4-10 |
| ITF M25 Kiseljak | 2021/05/23 10:45 | Jan Kupcic v Max Van Wijk | 2-6,0-6 |
| ITF M15 Sibenik | 2021/05/17 11:00 | Jan Kupcic v Taiyo Yamanaka | 5-7,6-0,4-10 |
| ITF M15 Sibenik | 2021/05/16 07:30 | Benedikt Emesz v Jan Kupcic | 1-6,6-4,6-10 |
| ITF M15 Prijedor | 2021/05/10 08:00 | Rimpei Kawakami v Jan Kupcic | 6-0,7-5 |
| ITF M15 Heraklion | 2021/11/23 07:00 | Harry Wendelken v Radu F Macovei | 6-0,6-0 |
| ITF M15 Heraklion | 2021/11/22 11:00 | Dong Ju Kim v Radu F Macovei | 3-6,1-6 |
| ITF M15 Heraklion | 2021/11/14 07:00 | Gianluca Coloma-Heck v Radu F Macovei | 6-2,6-2 |
| ITF M15 Doha | 2021/10/21 15:00 | Radu F Macovei v Terence Atmane | 2-6,1-6 |
| ITF M15 Doha | 2021/10/20 15:25 | Tushar Madan v Radu F Macovei | 1-6,6-7 |
| ITF M15 Doha | 2021/10/19 12:30 | Radu F Macovei v Mihnea L.S. Turcu | 6-4,6-1 |
| ITF M15 Doha | 2021/10/18 12:30 | Muthu A Senthilkumar v Radu F Macovei | 6-3,3-6,8-10 |
| ITF M15 Doha | 2021/10/11 12:30 | Radu F Macovei v Elmer Moller | 1-6,1-6 |