Stadium: Court 6 Round: 62 Ground: Clay
| ITF M15 Sibenik | 2021/05/17 12:00 | Sandro Guscic v Elgin Khoeblal | 1-6,1-6 |
| ITF M15 Sibenik | 2021/05/16 07:30 | Daniil Golubev v Elgin Khoeblal | 1-6,1-6 |
| ITF M15 Prijedor | 2021/05/10 08:00 | Elgin Khoeblal v Bozo Barun | 2-6,5-7 |
| ITF M15 Prijedor | 2021/05/09 07:00 | Elgin Khoeblal v Luca Teboul | 6-2,6-0 |
| ITF M15 Sharm El Sheikh | 2021/02/14 14:30 | Elgin Khoeblal v Keisuke Saitoh | 0-6,2-6 |
| 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 Prague | 2021/05/10 08:00 | Peter Goldsteiner v Aidan Mchugh | 5-7,7-5,11-9 |
| ITF M25 Prague | 2021/05/09 11:00 | Krystof Zapsky v Peter Goldsteiner | 3-6,4-6 |
| ITF M15 Sibenik | 2021/04/21 11:20 | Aldin Setkic v Peter Goldsteiner | 6-2,6-4 |
| ITF M15 Sibenik | 2021/04/20 08:00 | Peter Goldsteiner v Luigi Castelletti | 7-5,1-6,12-10 |