Stadion: Court C Round: 54 Ground: Clay
| ITF - M15 - Poprad | 2021/07/04 08:00 | Tomas Krcma v Matej Galik | 1-6,0-6 |
| ITF - M25 - Most | 2021/05/23 14:00 | Dean Thurner v Tomas Krcma | 3-6,7-5,10-6 |
| ITF - M25 - Jablonec Nad Nisou | 2021/05/16 10:00 | Tomas Krcma v Stepan Pecak | 3-6,1-6 |
| ITF - M25 - Prag | 2021/05/09 12:30 | Tomas Krcma v Antonin Bolardt | 2-6,2-6 |
| ITF - M15 - Heraklion | 2020/11/16 07:30 | Domagoj Biljesko v Tomas Krcma | 6-0,6-1 |
| ITF - M25 - Pardubice | 2020/09/27 10:30 | Daniel Paty v Tomas Krcma | 6-2,6-1 |
| ITF - M25 - Jablonec Nad Nisou | 2020/09/20 08:15 | Tomas Krcma v Dominik Recek | 0-6,1-6 |
| ITF - M25 - Prag | 2020/09/13 08:00 | Tomas Krcma v Pawel Juszczak | 1-6,0-6 |
| Challenger - Meerbusch | 2021/08/08 08:00 | Jesper De Jong v Tom Gentzsch | 6-1,6-3 |
| ITF - M15 - Skopje | 2021/06/01 08:00 | Niels Visker v Tom Gentzsch | 6-4,6-1 |
| ITF - M15 - Skopje | 2021/05/31 08:00 | Tom Gentzsch v Louis Allen | 7-6,2-6,13-11 |
| ITF - M15 - Skopje | 2021/05/30 07:00 | Aloys J W Van Baal v Tom Gentzsch | 1-6,7-5,7-10 |
| ITF - M15 - Heraklion | 2021/05/17 07:00 | Milan Welte v Tom Gentzsch | 6-0,6-3 |
| ITF - M15 - Heraklion | 2021/05/16 06:30 | Cheraag Bajwa v Tom Gentzsch | 2-6,1-6 |
| ITF - M25 - Meerbusch | 2021/04/12 12:00 | Alexey Vatutin v Tom Gentzsch | 6-3,6-1 |
| ITF - M25 - Meerbusch | 2021/04/12 07:30 | Tom Gentzsch v Fred Olivier Schommer | 7-6,6-2 |