Stadium: Centre Round: 44 Ground: Clay
| ITF M25 Jablonec Nad Nisou | 2021/05/16 11:30 | Ondrej Valek v Lucas Bouquet | 7-5,2-6,7-10 |
| ITF M25 Prague | 2021/05/12 07:30 | Lucas Bouquet v Lucas Miedler | 2-6,6-2,5-7 |
| ITF M25 Prague | 2021/05/11 07:55 | Lucas Bouquet v Jean Thirouin | 6-4,7-6 |
| ITF M25 Prague | 2021/05/10 10:30 | Milos Karol v Lucas Bouquet | 6-4,3-6,5-10 |
| ITF M25 Prague | 2021/05/09 13:30 | Lucas Bouquet v Niklas Rohrer | 6-1,6-3 |
| ITF M25 Angers | 2021/04/19 10:25 | Alvaro Lopez San Martin v Lucas Bouquet | 6-2,3-6,10-3 |
| ITF M25 Angers | 2021/04/18 11:00 | Alexandre Aubriot v Lucas Bouquet | 2-6,6-7 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/11 07:00 | Lucas Bouquet v Gergely Madarasz | 6-3,4-6,1-5 |
| ITF M25 Jablonec Nad Nisou | 2021/05/16 11:30 | Martin Benes v Martin Krumich | 4-6,0-6 |
| ITF M25 Prague | 2021/05/11 14:50 | Martin Krumich v Chun Hsin Tseng | 1-6,4-6 |
| Challenger Ostrava | 2021/04/26 10:40 | Sebastian Baez v Martin Krumich | 6-2,6-2 |
| ITF M15 Bratislava | 2021/03/11 11:10 | Fabian Marozsan v Martin Krumich | 7-5,6-3 |
| ITF M15 Bratislava | 2021/03/10 14:40 | Stepan Pecak v Martin Krumich | 7-6,5-7,1-6 |
| ITF M15 Bratislava | 2021/03/03 09:00 | Mikalai Haliak v Martin Krumich | 6-3,2-6,6-2 |
| ITF M15 St Petersburg | 2021/02/12 10:00 | Martin Krumich v Andrey Kuznetsov | 2-6,6-7 |
| ITF M15 St Petersburg | 2021/02/11 08:30 | Artem Dubrivnyy v Martin Krumich | 4-6,6-1,5-7 |