Stadium: Court 6 Round: 25 Ground: Clay
| ITF M15 Sharm El Sheikh | 2021/04/09 07:30 | Mukund Sasikumar v Aldin Setkic | 6-4,6-7,6-1 |
| ITF M15 Sharm El Sheikh | 2021/04/08 09:15 | Andrew Paulson v Aldin Setkic | 0-6,5-7 |
| ITF M15 Sharm El Sheikh | 2021/04/07 07:30 | Samuel Vincent Ruggeri v Aldin Setkic | 2-6,6-3,2-6 |
| ITF M15 Sharm El Sheikh | 2021/04/02 09:40 | Aldin Setkic v Petros Chrysochos | 3-6,1-6 |
| ITF M15 Sharm El Sheikh | 2021/04/01 07:30 | Aldin Setkic v Luke Johnson | 6-1,6-3 |
| ITF M15 Sharm El Sheikh | 2021/03/31 07:30 | Marek Gengel v Aldin Setkic | 4-6,6-4,3-6 |
| ITF M15 Sharm El Sheikh | 2021/03/18 07:30 | Mikolaj Lorens v Aldin Setkic | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2021/03/17 07:30 | Aldin Setkic v Mukund Sasikumar | 6-2,6-2 |
| ITF M15 Sibenik | 2021/04/20 08:00 | Peter Goldsteiner v Luigi Castelletti | 7-5,1-6,12-10 |
| ITF M15 Sibenik | 2021/04/19 07:55 | Peter Goldsteiner v Lovre Erceg | 6-1,6-0 |
| ITF M15 Opatija | 2021/03/23 09:00 | Giacomo Dambrosi v Peter Goldsteiner | 6-3,6-2 |
| ITF M15 Opatija | 2021/03/22 08:00 | Mate Voros v Peter Goldsteiner | 2-6,5-7 |
| ITF M15 Opatija | 2021/03/21 08:00 | Anze Arh v Peter Goldsteiner | 6-0,2-6,6-10 |
| ITF M15 Rovinj | 2021/03/15 08:00 | Peter Goldsteiner v Gorazd Srbljak | 3-6,4-6 |
| ITF M25 Vale Do Lobo | 2021/03/10 11:30 | Peter Goldsteiner v Goncalo Falcao | 2-6,3-6 |
| ITF M25 Vale Do Lobo | 2021/03/09 11:35 | Peter Goldsteiner v Adrien Gobat | 6-4,6-0 |