Stadium: Court 01 Round: 25 Ground: Clay
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Michal Novansky v Bjorn Nareyka | 7-6,6-2 |
| Challenger Salzburg | 2021/07/04 08:00 | Nicolas Jarry v Bjorn Nareyka | 6-1,6-1 |
| ITF M15 Sibenik | 2021/05/17 13:15 | Bjorn Nareyka v Yann Marti | 2-6,3-6 |
| ITF M15 Sibenik | 2021/05/16 10:00 | Andre Biro v Bjorn Nareyka | 4-6,1-6 |
| ITF M15 Prijedor | 2021/05/09 12:30 | Gorazd Srbljak v Bjorn Nareyka | 6-0,6-0 |
| ITF M15 Sibenik | 2021/04/18 08:00 | Grgo Dujmovic v Bjorn Nareyka | 7-6,6-0 |
| ITF M15 Bratislava | 2021/03/01 15:00 | Constantin Bittoun Kouzmine v Bjorn Nareyka | 6-2,6-1 |
| ITF M15 Monastir | 2021/01/31 11:00 | Bjorn Nareyka v Mohamed Amin Oueslati | 3-6,6-2,8-10 |
| ITF M25 Marburg | 2021/07/05 08:00 | Guy Den Heijer v Maximilian Homberg | 6-7,6-2,10-8 |