Stadium: Court 10 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Doha | 2021/12/20 15:25 | Luca Sanchez v Stevan Popovic | 6-3,2-6,9-11 |
| ITF M15 Doha Qual | 2021/12/19 18:25 | Stevan Popovic v Finn Bischof | 6-4,4-6,10-8 |
| ITF M15 Novi Sad | 2021/07/26 09:00 | Matic Dimic v Stevan Popovic | 2-6,6-3,10-7 |
| ITF M15 Novi Sad | 2021/07/25 07:00 | Stevan Popovic v Taiyo Yamanaka | 6-3,4-6,10-7 |
| ITF M15 Doboj | 2021/07/14 11:20 | Stevan Popovic v Viktor Jovic | 4-6,2-6 |
| ITF M25 Velenje | 2021/07/05 17:50 | Alen Rogic-Hadzalic v Stevan Popovic | 6-3,6-4 |
| ITF M15 Skopje | 2021/06/07 09:30 | Stevan Popovic v Viktor Jovic | 0-6,0-6 |
| ITF M15 Skopje | 2021/06/06 10:30 | Nicolas Cortes Campos v Stevan Popovic | 6-7,3-6 |
| ITF M15 Doha | 2021/12/20 15:45 | Nico Hornitschek v Digvijay Pratap Singh | 6-3,6-3 |
| ITF M15 Doha Qual | 2021/12/19 17:25 | Dusan Rajic v Nico Hornitschek | 2-6,3-6 |
| ITF M15 Doha | 2021/12/14 12:00 | Maik Steiner v Nico Hornitschek | 6-4,6-4 |
| ITF M15 Doha | 2021/12/13 13:25 | Mashari Nawaf v Nico Hornitschek | 0-6,2-6 |
| ITF M15 Cochabamba | 2021/11/16 20:00 | Valerio Aboian v Nico Hornitschek | 6-3,6-3 |
| ITF M15 Doha | 2021/10/20 15:55 | Hanwen Li v Nico Hornitschek | 6-3,6-2 |
| ITF M15 Doha | 2021/10/19 14:20 | Nico Hornitschek v Davud Amirov | 6-1,6-0 |
| ITF M15 Doha | 2021/10/18 16:45 | Nico Hornitschek v Nikshep B Ravikumar | 6-3,6-2 |