Stadium: Hard Court 5 Round: 44 Ground: Hardcourt outdoor
| 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 |
| ITF M15 Curtea de Arges | 2020/09/14 08:30 | Stefanos Sakellaridis v Valentin Vanta | 0-6,4-6 |
| ITF M15 Antalya | 2020/03/02 07:00 | Stefanos Sakellaridis v Christopher Patzanovsky | 2-6,2-6 |
| ITF M25 Antalya | 2020/02/24 07:00 | Stefanos Sakellaridis v Filip Misolic | 3-6,4-6 |
| ITF M25 Antalya | 2020/02/23 08:00 | Federico Campana v Stefanos Sakellaridis | 6-7,6-2,7-10 |
| ITF M15 Antalya | 2020/02/11 07:00 | Stefanos Sakellaridis v Gustaf Strom | 1-6,1-6 |
| ITF M15 Antalya | 2020/01/27 07:00 | Stefanos Sakellaridis v Tristan Meraut | 0-6,2-6 |
| 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 M25 Sunderland | 2020/02/23 11:30 | Mats Rosenkranz v Josip Krstanovic | 6-3,1-6,8-10 |
| ITF M25 Glasgow | 2020/02/16 15:15 | Wojciech Marek v Josip Krstanovic | 6-4,6-4 |
| ITF M25 Barnstaple | 2020/02/09 12:45 | Josip Krstanovic v Tom Hands | 1-6,6-1,16-18 |