Round: 25 Ground: Clay
| ITF Hungary F2 Qual | 2018/05/14 10:00 | Andrei Stefan Apostol v Enej Berghaus | 6-2,6-1 |
| ITF Hungary F1 | 2018/05/09 09:00 | Andrei Stefan Apostol v Nicolae Frunza | 4-6,2-6 |
| ITF Hungary F1 | 2018/05/08 12:20 | Andrei Stefan Apostol v Dominik Langmajer | 6-4,6-1 |
| ITF Turkey F7 | 2018/02/18 06:30 | Andrei Stefan Apostol v Camilo Ugo Carabelli | 7-5,3-6,6-3 |
| ITF Turkey F6 | 2018/02/12 07:00 | Bogdan Bobrov v Andrei Stefan Apostol | 6-4,6-3 |
| ITF Turkey F6 | 2018/02/11 06:00 | Yuto Sakai v Andrei Stefan Apostol | 6-4,5-7,3-6 |
| ITF Turkey F6 | 2018/02/10 09:00 | Hyeong Don Kim v Andrei Stefan Apostol | 2-6,2-6 |
| ITF Kuwait F2 | 2017/11/05 06:00 | Andrei Stefan Apostol v Lance-Pierre Du Toit | 3-6,6-7 |
| ITF Hungary F2 Qual | 2018/05/14 11:00 | Kody Pearson v Andrej Popovic | 6-1,6-1 |
| ITF Hungary F2 Qual | 2018/05/13 08:00 | Andrej Popovic v George Kennedy | 6-0,6-2 |