Stadium: indoor 7 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Doboj | 2021/07/16 11:15 | Gergely Madarasz v Martin Krumich | 2-6,7-5,1-6 |
| ITF M25 Budapest | 2021/09/29 11:10 | Gergely Madarasz v Jaroslav Pospisil | 6-4,1-6,7-5 |
| ITF M15 Vyshkovo | 2021/09/26 07:30 | Ivan Nedelko v Gergely Madarasz | 6-7,6-3,4-6 |
| ITF M15 Vyshkovo | 2021/09/25 08:00 | Gergely Madarasz v Georgii Kravchenko | 6-7,7-6,6-1 |
| ITF M15 Vyshkovo | 2021/09/24 10:00 | Yann Wojcik v Gergely Madarasz | 1-6,5-7 |
| ITF M15 Vyshkovo | 2021/09/23 13:30 | Danylo Veremeychuk v Gergely Madarasz | 2-6,0-6 |
| ITF M15 Vyshkovo | 2021/09/23 08:30 | Nico Hornitschek v Gergely Madarasz | 4-6,6-2,1-6 |
| ITF M15 Zlatibor | 2021/09/18 12:00 | Gergely Madarasz v Marko Tepavac | 4-6,4-6 |
| ITF M15 Zlatibor | 2021/09/17 08:00 | Gergely Madarasz v Peter Nagy | 6-3,6-7,7-5 |
| ITF M25 Budapest | 2021/09/28 07:25 | Martin Krumich v Stepan Pecak | 6-2,6-3 |
| ITF M25 Pardubice | 2021/09/22 10:20 | Martin Krumich v Maciej Rajski | 7-6,3-6,6-7 |
| ITF M15 Sozopol | 2021/09/18 07:00 | Kai Wehnelt v Martin Krumich | 6-4,6-2 |
| ITF M15 Sozopol | 2021/09/17 06:55 | Martin Krumich v Tommaso Compagnucci | 6-2,6-4 |
| 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 |