Stadium: Court 5 Round: 45 Ground: Clay
| ITF Greece F8 | 2018/11/11 08:00 | David Pichler v Michalis Sakellaridis | 6-1,6-2 |
| ITF Greece F8 | 2018/11/10 07:30 | Michalis Sakellaridis v Athanasios Bilis | 6-4,6-3 |
| ITF Greece F7 | 2018/11/04 08:00 | Austin Rapp v Michalis Sakellaridis | 6-1,6-3 |
| ITF Greece F7 | 2018/11/03 10:00 | Michalis Sakellaridis v Mateo Bubalo | 6-3,6-2 |
| ITF Greece F6 | 2018/10/28 10:00 | Michalis Sakellaridis v Stephanos Schinas | 2-6,5-7 |
| ITF Greece F6 | 2018/10/27 09:00 | Stefanos Sakellaridis v Michalis Sakellaridis | 4-6,4-6 |
| ITF Belgium F10 Qual | 2018/08/26 08:00 | Luis Humberto Lopez v Michalis Sakellaridis | 6-0,6-2 |
| ITF Netherlands F5 | 2018/08/18 08:00 | Maikel Borg v Michalis Sakellaridis | 6-1,6-2 |
| Australian Open | 2019/01/08 06:55 | Calvin Hemery v Alexander Crnokrak | 7-6,7-6 |
| Challenger Canberra 2 | 2018/10/27 03:15 | Harry Bourchier v Alexander Crnokrak | 7-6,2-6,6-1 |
| Challenger Canberra 2 | 2018/10/27 00:30 | Alexander Crnokrak v Calum Puttergill | 6-4,6-2 |
| Challenger Traralgon | 2018/10/21 04:00 | Francesco Vilardo v Alexander Crnokrak | 6-3,4-6,6-3 |
| Challenger Traralgon | 2018/10/20 23:00 | Alexander Crnokrak v Socrates Leon Tsoronis | 7-5,6-3 |
| ITF Australia F8 | 2018/10/11 00:00 | Maverick Banes v Alexander Crnokrak | 7-6,6-7,6-3 |
| ITF Australia F8 | 2018/10/09 00:00 | Rhett Purcell v Alexander Crnokrak | 3-6,3-6 |
| ITF Australia F8 | 2018/10/08 02:30 | Patrick Kotan v Alexander Crnokrak | 2-6,3-6 |