Stadium: Court 2 Indoor Round: 44 Ground: Clay
| ITF M25 Kiseljak | 2021/05/24 09:30 | Erdem Isitan v Lukas Palovic | 2-6,1-6 |
| ITF M15 Sibenik | 2021/05/17 12:55 | Erdem Isitan v Oscar Moraing | 3-6,4-6 |
| ITF M15 Sibenik | 2021/05/16 12:30 | Erdem Isitan v Karlo Krolo | 6-3,6-1 |
| ITF M15 Sharm El Sheikh | 2021/02/15 09:30 | Erdem Isitan v Rimpei Kawakami | 0-6,1-6 |
| ITF M15 Sharm El Sheikh | 2021/02/14 13:00 | Igor Trunov v Erdem Isitan | 2-6,6-4,6-10 |
| ITF M15 Antalya | 2020/12/15 11:00 | Michalis Sakellaridis v Erdem Isitan | 7-6,6-0 |
| ITF M25 Kiseljak | 2021/05/23 13:15 | Drazen Petrovic v Sabit Suntic | 6-3,5-7,10-5 |
| ITF M15 Monastir | 2021/04/13 08:30 | Sabit Suntic v Danylo Kalenichenko | 0-6,1-6 |
| ITF M15 Monastir | 2021/04/04 11:30 | Mirko Martinez v Sabit Suntic | 7-5,6-1 |
| ITF M15 Monastir | 2021/03/08 13:30 | Sabit Suntic v Kai Lemstra | 3-6,6-4,8-10 |
| ITF M15 Monastir | 2021/03/07 10:30 | Luigi Castelletti v Sabit Suntic | 2-6,5-7 |
| ITF M15 Monastir | 2021/02/28 10:30 | Savva Polukhin v Sabit Suntic | 6-1,6-4 |
| ITF M15 Monastir | 2021/01/13 08:00 | Sabit Suntic v Alexander Cozbinov | 2-6,0-6 |
| ITF M15 Monastir | 2021/01/03 14:30 | Harry Thursfield v Sabit Suntic | 6-1,6-1 |