Stadium: Court 3 Round: 62 Ground: Clay
| ITF M25 Velenje | 2021/07/06 10:10 | Goldsteiner, Peter v Heger, Tim | 6-1,6-4 |
| ITF M25 Velenje | 2021/07/05 13:50 | de Rosa, Marco v Heger, Tim | 4-6,2-6 |
| ITF M25 Velenje | 2021/07/04 07:30 | Alexis Boureau v Heger, Tim | 4-6,4-6 |
| ITF M25 Belgrade | 2021/06/28 10:00 | Heger, Tim v Rakic, Strahinja | 1-6,3-6 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/06/02 12:50 | Heger, Tim v Hernan Casanova | 1-6,6-3,2-6 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/06/01 08:00 | Heger, Tim v Trocker, Moritz | 6-3,7-6 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/05/31 12:00 | Heger, Tim v Erdem Isitan | 6-4,4-6,10-7 |
| ITF - M25 Kiseljak | 2021/05/27 10:30 | Heger, Tim v Matheus P De Almeida | 3-6,3-6 |
| ITF M25 Most | 2021/05/24 09:00 | Postolka, Roman v Recek, Dominik | 3-6,7-6,6-10 |
| ITF M25 Most | 2021/05/23 14:00 | Stepan Pecak v Postolka, Roman | 4-6,1-6 |
| ITF M25 Prague | 2021/05/10 10:30 | Postolka, Roman v Petr Michnev | 3-6,2-6 |
| ITF M25 Prague | 2021/05/09 11:00 | Postolka, Roman v Daniel Paty | 6-4,1-6,10-7 |
| ITF Slovakia F3 | 2018/08/05 10:00 | Paulovcak, Samuel v Postolka, Roman | 6-3,6-1 |
| Czech Republic F6, Singles Qualifying | 2017/07/16 07:00 | Rehacek, Marek v Postolka, Roman | 6-4,6-7,6-4 |