Stadium: Hard Court 2 Round: 44 Ground: Hardcourt outdoor
| 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 |
| ITF M25 Shrewsbury | 2019/09/24 12:20 | Luke Johnson v Josip Krstanovic | 6-1,6-4 |
| ITF M15 Heraklion | 2020/11/01 08:30 | Calvin Hemery v Sebastian Gima | 6-1,7-6 |
| ITF M15 Heraklion | 2020/10/27 08:00 | Sebastian Gima v Robin Stanek | 2-6,1-6 |
| ITF M15 Heraklion | 2020/10/26 10:30 | Sebastian Gima v Filip Misolic | 5-7,7-6,10-8 |
| ITF M15 Heraklion | 2020/10/25 11:30 | Nick Hardt v Sebastian Gima | 2-6,3-6 |
| ITF M15 Curtea de Arges | 2020/09/15 10:05 | Timofey Skatov v Sebastian Gima | 6-1,6-1 |
| ITF M15 Bucharest | 2020/09/09 09:10 | Radu Mihai Papoe v Sebastian Gima | 1-6,6-2,7-6 |
| German Premier League | 2020/08/25 08:00 | Daniil Glinka v Sebastian Gima | 6-3,6-7,6-4 |
| German Premier League | 2020/08/24 13:25 | Altug Celikbilek v Sebastian Gima | 6-0,6-4 |