Stadium: Court 5 Round: 25 Ground: Clay
| ITF M25 Jablonec Nad Nisou | 2020/09/23 08:15 | Patrik Rikl v Zukas, Matias | 6-7,6-3,6-2 |
| ITF - M15 Antalya | 2021/06/09 10:50 | Lindell, Christian v Patrik Rikl | 6-3,6-4 |
| ITF M25 Most | 2021/05/28 10:50 | Patrik Rikl v Dalibor Svrcina | 6-7,4-6 |
| ITF M25 Most | 2021/05/27 09:25 | Lucas Bouquet v Patrik Rikl | 4-6,4-6 |
| ITF M25 Most | 2021/05/26 12:00 | Patrik Rikl v Recek, Dominik | 6-1,6-2 |
| ITF M25 Jablonec Nad Nisou | 2021/05/21 09:35 | Jiri Lehecka v Patrik Rikl | 6-1,3-6,6-2 |
| ITF M25 Jablonec Nad Nisou | 2021/05/18 08:55 | Carr, Simon v Patrik Rikl | 4-6,3-6 |
| ITF M25 Prague | 2021/05/13 11:50 | Thai-Son Kwiatkowski v Patrik Rikl | 4-6,7-6,6-2 |
| ITF M25 Prague | 2021/05/12 09:30 | Eriksson, Markus v Patrik Rikl | 4-6,5-7 |
| ITF - M15 Antalya | 2021/06/18 07:20 | Zukas, Matias v Pawel Juszczak | 7-6,3-6,5-7 |
| ITF - M15 Antalya | 2021/06/17 08:50 | Zukas, Matias v Pietro Marino | 6-3,6-0 |
| ITF - M15 Antalya | 2021/06/16 13:15 | Zsombor Piros v Zukas, Matias | 3-6,1-6 |
| ITF - M15 Antalya | 2021/06/09 06:50 | Zukas, Matias v Pawel Juszczak | 6-7,6-7 |
| 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 |