Stadium: Court 5 Round: 25 Ground: Clay
| ITF M15 Novomoskovsk | 2021/06/06 07:00 | Kalenichenko, Danylo v Zukas, Matias | 4-6,6-0,4-6 |
| ITF M15 Novomoskovsk | 2021/06/05 07:30 | Illya Beloborodko v Zukas, Matias | 5-7,4-6 |
| ITF M15 Novomoskovsk | 2021/06/04 07:00 | Zukas, Matias v Oleksandr Ovcharenko | 6-3,6-1 |
| ITF M15 Novomoskovsk | 2021/06/03 17:50 | Zukas, Matias v Marco Miceli | 4-6,6-3,10-2 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/19 10:30 | Zukas, Matias v Nikita Mashtakov | 2-6,3-6 |
| ITF M15 Cordoba | 2021/04/07 16:30 | Zukas, Matias v Franco Roncadelli | 6-3,7-5 |
| ITF - M15 Antalya | 2021/03/11 07:00 | Zukas, Matias v Frunza, Nicolae | 6-7,5-7 |
| ITF - M15 Antalya | 2021/03/10 11:55 | Zukas, Matias v Cengiz, Baran | 6-3,6-1 |
| ITF - M15 Antalya | 2021/06/08 10:05 | Pawel Juszczak v Giorgio Tabacco | 6-7,6-2,10-2 |
| ITF - M15 Antalya | 2021/06/07 09:05 | Pawel Juszczak v Kaya Arinc | 6-3,6-2 |
| ITF - M15 Antalya | 2021/06/06 07:30 | Pawel Juszczak v Santiago De La Fuente | 6-4,7-5 |
| ITF - M15 Sharm El Sheikh | 2021/03/31 13:25 | Roncalli, Simone v Pawel Juszczak | 6-3,6-2 |
| ITF - M15 Sharm El Sheikh | 2021/03/30 10:05 | Pawel Juszczak v Kousuke Ogura | 6-4,7-5 |
| ITF - M15 Sharm El Sheikh | 2021/03/29 07:30 | Pawel Juszczak v Giacomo Revelli | 6-1,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/03/28 07:00 | Pawel Juszczak v Seely, Seth | 6-1,6-0 |
| ITF - M15 Sharm El Sheikh | 2021/03/26 07:30 | Pawel Juszczak v Makoto Ochi | 6-7,2-6 |