Stadium: Centre court Round: 25
| ITF Belarus F1 | 2018/08/08 10:50 | Karimov, Jurabek v Sarp Agabigun | 6-4,7-6 |
| ITF Belarus F1 | 2018/08/07 07:00 | Sarp Agabigun v Bardzin, A. | 4-6,6-4,6-1 |
| ITF Slovakia F1 | 2018/07/25 13:00 | Fekiac, Martin v Sarp Agabigun | 6-4,7-5 |
| ITF Uzbekistan F4 | 2018/06/06 06:10 | Cem Ilkel v Sarp Agabigun | 6-2,6-2 |
| ITF Uzbekistan F4 | 2018/06/05 04:00 | Tsoy, Pavel v Sarp Agabigun | 6-1,4-6,5-7 |
| ITF Tunisia F20 | 2018/05/25 11:00 | Sarp Agabigun v Hady Habib | 1-6,3-6 |
| ITF Tunisia F20 | 2018/05/23 10:55 | Sarp Agabigun v Modica, Sacha | 7-5,4-6,7-5 |
| ATP Istanbul Qual | 2018/04/28 12:55 | Sarp Agabigun v Hubert Hurkacz | 2-6,3-6 |
| ITF Belarus F1 | 2018/08/10 07:00 | Gray, Jonathan v Betov, Sergey | 2-6,6-3,6-4 |
| ITF Belarus F1 | 2018/08/09 08:35 | Khassanov, Roman v Betov, Sergey | 2-6,7-5,6-7 |
| ITF Belarus F1 | 2018/08/08 09:50 | Bondarevskiy, Yan v Betov, Sergey | 3-6,4-6 |
| ITF Belarus F1 | 2018/08/07 11:30 | Alexander Zgirovsky v Betov, Sergey | 4-6,4-6 |
| ITF Lithuania F1 | 2018/07/23 10:00 | Betov, Sergey v Solberg, Christoffer | 0-6,5-7 |
| ITF Spain F17 | 2018/07/02 13:00 | Betov, Sergey v Zsombor Piros | 2-6,4-6 |
| ITF Spain F16 | 2018/06/27 19:05 | Betov, Sergey v Deviatiarov, Marat | 4-6,3-6 |
| ITF Spain F16 | 2018/06/25 17:55 | Betov, Sergey v Luque Rico, Enrique | 7-5,6-2 |