Stadium: Court 7 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Sozopol | 2021/09/16 09:35 | Martin Krumich v Konstantin Zhzhenov | 6-2,6-4 |
| ITF M15 Sozopol | 2021/09/14 09:00 | Martin Krumich v Valentin Vanta | 7-5,7-6 |
| ITF M25 Ricany | 2021/09/02 10:45 | Orlando Luz v Martin Krumich | 6-7,6-1,6-2 |
| ITF M25 Ricany | 2021/09/01 09:20 | Jiri Barnat v Martin Krumich | 2-6,3-6 |
| Challenger Prague | 2021/08/23 11:20 | Michael Geerts v Martin Krumich | 6-2,6-4 |
| ITF M25 Prostejov | 2021/08/18 08:00 | Martin Krumich v Nikolas Sanchez Izquierdo | 0-6,2-6 |
| ITF M25 Prostejov | 2021/08/17 09:15 | Martin Krumich v Daniel Siniakov | 3-6,6-4,7-5 |
| Challenger Prague | 2021/08/09 12:30 | Evan Furness v Martin Krumich | 4-6,6-4,6-3 |
| ITF M15 Sozopol | 2021/09/16 10:05 | Tommaso Compagnucci v Petr Nesterov | 6-2,6-0 |
| ITF M15 Sozopol | 2021/09/15 10:00 | Tommaso Compagnucci v Mehdi Sadaoui | 6-3,6-1 |
| ITF M15 Sozopol | 2021/09/14 07:00 | Tommaso Compagnucci v Caspar Schuetze | 6-1,6-2 |
| ITF M15 Sozopol | 2021/09/13 10:30 | Tommaso Compagnucci v Ivan Penev | 6-2,6-3 |
| ITF M15 Chornomorsk | 2021/09/02 09:55 | Tommaso Compagnucci v Oleg Prihodko | 0-6,6-7 |
| ITF M15 Chornomorsk | 2021/09/01 10:10 | Grigoriy Lomakin v Tommaso Compagnucci | 6-7,6-4,2-6 |
| ITF M15 Lodz | 2021/08/19 10:00 | Tommaso Compagnucci v Gilbert S K Junior | 4-6,2-6 |
| ITF M15 Lodz | 2021/08/18 08:00 | Filip Bergevi v Tommaso Compagnucci | 6-7,6-4,6-7 |