Stadium: Court 21 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/07/26 09:00 | Raffael Schaer v Joshua Sheehy | 2-6,3-6 |
| ITF M25 Kottingbrunn | 2021/07/20 08:00 | Raffael Schaer v Peter Makk | 3-6,1-6 |
| ITF M25 Kottingbrunn | 2021/07/19 09:30 | Petros Tsitsipas v Raffael Schaer | 3-6,4-6 |
| 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 Doboj | 2021/07/14 08:30 | Felix Gill v Aleksandar Mihailovic | 6-1,6-4 |
| ITF M25 Belgrade | 2021/06/27 12:00 | Nicolas Bruna v Aleksandar Mihailovic | 7-6,6-0 |
| ITF M15 Sarajevo | 2021/06/02 14:05 | Luka Petrovic v Aleksandar Mihailovic | 6-4,6-0 |
| ITF M25 Kiseljak | 2021/05/25 15:25 | Aleksandar Mihailovic v Francesco Forti | 1-6,1-6 |
| ITF M15 Brcko | 2021/05/16 07:00 | Valentin Lapalu v Aleksandar Mihailovic | 6-3,6-4 |