Stadium: Court 20 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Belgrade | 2021/06/28 10:00 | Tim Heger v Strahinja Rakic | 1-6,3-6 |
| ITF M15 Sarajevo | 2021/06/02 12:50 | Tim Heger v Hernan Casanova | 1-6,6-3,2-6 |
| ITF M15 Sarajevo | 2021/06/01 08:00 | Tim Heger v Moritz Trocker | 6-3,7-6 |
| ITF M15 Sarajevo | 2021/05/31 12:00 | Tim Heger v Erdem Isitan | 6-4,4-6,10-7 |
| ITF M25 Kiseljak | 2021/05/27 10:30 | Tim Heger v Matheus Pucinelli De Almeida | 3-6,3-6 |
| ITF M25 Kiseljak | 2021/05/26 10:00 | Domagoj Biljesko v Tim Heger | 6-7,6-2,3-6 |
| ITF M25 Kiseljak | 2021/05/25 08:00 | Tim Heger v Marino Jakic | 6-3,6-7,10-1 |
| ITF M25 Kiseljak | 2021/05/24 08:00 | Tim Heger v Luka Puljic | 6-4,6-3 |
| ITF M15 Monastir | 2021/02/28 08:00 | Raffael Schaer v Vladislav Melnic | 6-7,2-6 |
| ITF M15 Monastir | 2021/02/21 11:00 | Bruno P Navarro v Raffael Schaer | 6-1,6-0 |
| ITF M15 Monastir | 2021/02/15 10:00 | Raffael Schaer v Taiyo Yamanaka | 4-6,4-6 |
| ITF M15 Monastir | 2021/02/14 10:00 | Louis Herman v Raffael Schaer | 4-6,5-7 |
| ITF M15 Monastir | 2021/02/07 12:30 | Kenneth Raisma v Raffael Schaer | 1-6,7-6,10-5 |
| ITF M15 Monastir | 2021/02/07 08:00 | Luca Teboul v Raffael Schaer | 3-6,1-6 |