Stadium: Court 1 Round: 25 Ground: Hardcourt indoor
| ITF - M15 Bratislava | 2021/03/10 15:00 | Petr Nouza v Michal Dembek | 7-6,6-7,4-6 |
| ITF - M15 Wroclaw | 2019/07/05 10:00 | Petr Nouza v Michal Dembek | 1-6,7-6,6-2 |
| ITF - M15 Opava | 2021/11/17 09:00 | Andrew Paulson v Michal Dembek | 6-3,7-5 |
| ITF - M25 Nur-Sultan | 2021/10/29 05:00 | Michal Dembek v Bogdan Bobrov | 6-2,3-6,2-6 |
| ITF - M25 Nur-Sultan | 2021/10/28 04:55 | Denis Yevseyev v Michal Dembek | 4-6,4-6 |
| ITF - M25 Nur-Sultan | 2021/10/27 05:00 | Michal Dembek v Daniel Ibragimov | 7-5,6-4 |
| ITF - M25 Nur-Sultan | 2021/10/20 06:35 | Michal Dembek v Denis Yevseyev | 4-6,4-6 |
| ITF - M25 Falun | 2021/09/27 12:00 | Michal Dembek v Yusuke Takahashi | 6-7,6-2,3-6 |
| ITF - M25 Jonkoping | 2021/09/21 08:55 | Oscar Moraing v Michal Dembek | 6-4,6-4 |
| ITF - M25 Plaisir | 2021/09/16 11:45 | Michal Dembek v Antoine Bellier | 2-6,6-7 |
| ITF - M15 Opava | 2021/11/18 10:20 | Petr Nouza v Andrew Paulson | 3-6,4-6 |
| ITF - M15 Opava | 2021/11/16 10:30 | Peter Nad v Petr Nouza | 0-6,2-6 |
| ITF - M15 Bratislava | 2021/03/10 15:00 | Petr Nouza v Michal Dembek | 7-6,6-7,4-6 |
| ITF - M15 - Antalya | 2021/02/24 07:00 | Petr Nouza v Alvaro Lopez San Martin | 6-7,1-6 |
| ITF - M15 - Antalya | 2021/02/23 06:30 | Petr Nouza v Andrea Picchione | 7-5,6-4 |
| ITF - M15 - Antalya | 2021/02/22 07:00 | Petr Nouza v Burak Bilgin | 6-4,6-2 |
| ITF - M15 - Antalya | 2021/02/21 13:00 | Petr Nouza v Emir Sutekin | 6-3,6-2 |
| ITF - M15 - Antalya | 2021/02/16 07:00 | Petr Nouza v Sandro Kopp | 0-6,1-6 |