Stadium: Court 21 Round: 62 Ground: Clay
| ITF M15 Heraklion | 2020/11/23 10:00 | Stefanos Sakellaridis v Josip Krstanovic | 4-6,1-6 |
| ITF M15 Antalya | 2021/01/03 07:00 | Josip Krstanovic v Enes Donmezer | 6-1,7-5 |
| ITF M15 Heraklion | 2020/11/24 08:30 | Josip Krstanovic v Timo Stodder | 1-6,4-6 |
| ITF M15 Heraklion | 2020/11/23 10:00 | Stefanos Sakellaridis v Josip Krstanovic | 4-6,1-6 |
| ITF M15 Heraklion | 2020/11/08 12:00 | Josip Krstanovic v Sebastian Gima | 6-7,2-6 |
| ITF M15 Heraklion | 2020/10/26 07:30 | Riccardo Balzerani v Josip Krstanovic | 4-6,7-6,10-7 |
| ITF M15 Heraklion | 2020/10/25 07:30 | Daniel O'Neill v Josip Krstanovic | 0-6,3-6 |
| Adriatic Tennis Series | 2020/06/15 16:45 | Carlos Gomez-Herrera v Josip Krstanovic | 1-6,6-3,10-5 |
| ITF M25 Sunderland | 2020/02/24 10:00 | Josip Krstanovic v Patrick Foley | 1-6,1-6 |
| ITF M15 Antalya | 2020/12/22 06:30 | Stefanos Sakellaridis v Dmitrii Vasilev | 6-7,6-3,5-10 |
| ITF M15 Antalya | 2020/12/21 09:30 | Michel-Alexandre Fortin v Stefanos Sakellaridis | 3-6,2-6 |
| ITF M15 Antalya | 2020/12/15 11:00 | Stefanos Sakellaridis v Guney Ege Cetin | 3-6,7-5,10-6 |
| ITF M15 Antalya | 2020/12/15 07:00 | Oleksandr Ovcharenko v Stefanos Sakellaridis | 6-1,6-0 |
| ITF M15 Antalya | 2020/11/29 06:00 | Stefanos Sakellaridis v Mert Alkaya | 0-6,2-6 |
| ITF M15 Heraklion | 2020/11/23 10:00 | Stefanos Sakellaridis v Josip Krstanovic | 4-6,1-6 |
| ITF M15 Heraklion | 2020/11/01 10:00 | Lucas Gerch v Stefanos Sakellaridis | 6-3,6-0 |
| ITF M15 Heraklion | 2020/10/25 09:00 | Hazem Naw v Stefanos Sakellaridis | 6-3,6-1 |