Stadium: Hard 21 Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F9 | 2017/03/11 08:30 | Alexis Musialek v Peter Goldsteiner | 6-1,6-2 |
| ITF M15 Sarajevo | 2021/05/31 10:00 | Peter Goldsteiner v Petar Jovanovic | 6-7,4-6 |
| ITF M25 Kiseljak | 2021/05/25 12:40 | Zsombor Piros v Peter Goldsteiner | 6-3,7-5 |
| ITF M15 Sibenik | 2021/05/19 12:20 | Peter Goldsteiner v David Pichler | 3-6,2-6 |
| ITF M15 Sibenik | 2021/05/18 09:35 | Elgin Khoeblal v Peter Goldsteiner | 1-6,5-7 |
| ITF M15 Sibenik | 2021/05/17 14:55 | Federico Marchetti v Peter Goldsteiner | 5-7,0-6 |
| ITF M15 Sibenik | 2021/05/16 15:00 | Alen Moritz Hodzic v Peter Goldsteiner | 6-3,5-7,5-10 |
| ITF M25 Prague | 2021/05/12 07:30 | Mischa Zverev v Peter Goldsteiner | 7-6,5-7,6-1 |
| ITF M25 Prague | 2021/05/11 09:15 | Renta Tokuda v Peter Goldsteiner | 3-6,4-6 |
| ITF M25 Grasse | 2021/06/16 13:00 | Franco Agamenone v Alexis Musialek | 6-2,6-2 |
| ITF M15 Heraklion | 2021/06/12 07:00 | Alexis Musialek v Ben Patael | 1-6,1-6 |
| ITF M15 Heraklion | 2021/06/11 09:20 | Alexis Musialek v Yasha Zemel | 7-6,3-6,6-1 |
| ITF M15 Heraklion | 2021/06/10 07:30 | Alexis Musialek v Aristotelis Thanos | 6-4,6-1 |
| ITF M15 Heraklion | 2021/06/09 06:30 | Makoto Ochi v Alexis Musialek | 4-6,2-6 |
| ITF M15 Marbella | 2021/05/26 09:25 | Edan Leshem v Alexis Musialek | 7-5,6-3 |
| ITF M15 Heraklion | 2021/05/20 09:25 | Alexis Musialek v Petros Chrysochos | 3-6,6-3,2-6 |
| ITF M15 Heraklion | 2021/05/19 11:30 | Sergis Kyratzis v Alexis Musialek | 0-6,4-6 |