Stadium: Court 8 Round: 44 Ground: Hardcourt outdoor
| ITF Turkey F19 | 2018/05/16 09:10 | Ozcelik, Bulut v Aslan Karatsev | 1-6,2-6 |
| Turkey F17, Singles Qualifying | 2018/05/02 09:20 | Ozcelik, Bulut v Du Toit, Lance-Pierre | 2-6,5-7 |
| Turkey F16, Singles Qualifying | 2018/04/21 07:30 | Ozcelik, Bulut v Cengiz Aksu | 1-6,3-6 |
| Turkey F14, Singles Qualifying | 2018/04/07 07:30 | Niklas Schell v Ozcelik, Bulut | 6-2,6-3 |
| ITF Turkey F11 | 2018/03/18 07:00 | Patino, Luis v Ozcelik, Bulut | 6-1,2-6,6-3 |
| ITF Turkey F11 | 2018/03/17 09:00 | Ozcelik, Bulut v Oscar Galimardanov | 6-2,6-4 |
| ITF Turkey F4 | 2018/01/27 07:30 | Ono, Masayoshi v Ozcelik, Bulut | 6-1,6-2 |
| ITF Turkey F3 | 2018/01/20 07:00 | Ozcelik, Bulut v Alekseenko, Vadim | 1-6,3-6 |
| Tunisia F18, Singles Qualifying | 2018/05/08 09:00 | Thiem, Moritz v Espin Busleiman, Geronimo | 4-6,6-7 |
| Tunisia F18, Singles Qualifying | 2018/05/05 09:00 | Thiem, Moritz v Cappello, Gauthier | 6-1,6-3 |
| ITF Croatia F3 | 2018/03/19 14:00 | Sabanov, Ivan v Thiem, Moritz | 6-2,6-0 |
| ITF Croatia F3 | 2018/03/19 11:00 | Thiem, Moritz v Di Maro, Lorenzo | 6-2,6-4 |
| Turkey F8, Singles Qualifying | 2018/02/25 07:30 | Thiem, Moritz v Barranco, Sergio | 3-6,4-6 |
| Turkey F8, Singles Qualifying | 2018/02/24 07:00 | Thiem, Moritz v Matsuzaki, Yutaro | 6-7,6-2,6-4 |
| ITF Turkey F7 | 2018/02/21 13:40 | Thiem, Moritz v Appelgren, Daniel | 4-6,0-6 |
| Turkey F6, Singles Qualifying | 2018/02/10 06:00 | Thiem, Moritz v Jacopo Berrettini | 1-6,1-6 |