Stadium: Court 3 Round: 25 Ground: Clay
| ITF - Klosters M25 | 2021/06/21 07:00 | Jonas Trinker v Tomas Papik | 5-7,6-3,4-10 |
| ITF - Klosters M25 | 2021/06/20 08:45 | Tomas Papik v Hendrik Jebens | 6-3,7-6 |
| ITF - Most M25 | 2021/05/23 14:00 | Tomas Papik v Mark Havlicek | 3-6,3-6 |
| ITF - Jablonec Nad Nisou M25 | 2021/05/19 08:00 | Viktor Durasovic v Tomas Papik | 6-4,6-4 |
| ITF - Jablonec Nad Nisou M25 | 2021/05/18 07:55 | Tomas Papik v Jiri Jenicek | 6-2,7-5 |
| ITF - Jablonec Nad Nisou M25 | 2021/05/17 07:30 | Ondrej Horak v Tomas Papik | 1-6,4-6 |
| ITF - Praga M25 | 2021/05/09 10:00 | Adam Pavlasek v Tomas Papik | 6-2,6-7,10-1 |
| ITF - Meerbusch M25 | 2021/04/11 13:00 | Tomas Papik v Karlo Cubelic | 3-6,2-6 |
| Challenger Forli | 2021/06/14 09:30 | Thiago Agustin Tirante v Tobias Simon | 7-6,6-3 |
| Challenger Forli | 2021/06/13 14:15 | Matteo Arnaldi v Tobias Simon | 6-7,2-6 |
| ITF - Gaiba M15 | 2021/06/11 10:00 | Benjamin Lock v Tobias Simon | 6-2,6-3 |
| ITF - Gaiba M15 | 2021/06/10 14:45 | Federico Bertuccioli v Tobias Simon | 4-6,3-6 |
| ITF - Gaiba M15 | 2021/06/09 15:55 | Andrea Picchione v Tobias Simon | 5-7,7-6,5-7 |
| ITF - Sarajewo M15 | 2021/06/02 10:40 | Tobias Simon v Federico Iannaccone | 1-6,3-6 |
| ITF - Meerbusch M25 | 2021/04/15 13:25 | Tobias Simon v Tim Handel | 4-6,6-7 |
| ITF - Meerbusch M25 | 2021/04/14 12:25 | Sebastian Prechtel v Tobias Simon | 5-7,6-3,3-6 |