Stadium: Court 4 Round: 25 Ground: Clay
| ITF Bulgaria F1 | 2018/05/16 07:00 | Venci Ivanov v Vasil Kirkov | 1-6,2-6 |
| ITF Israel F6 | 2018/05/12 07:30 | Matias Franco Descotte v Vasil Kirkov | 6-4,6-3 |
| ITF Israel F6 | 2018/05/11 07:30 | Alon Elia v Vasil Kirkov | 7-5,1-6,3-6 |
| ITF Israel F6 | 2018/05/10 08:25 | Vasil Kirkov v Mor Bulis | 6-3,1-6,6-3 |
| ITF Israel F6 | 2018/05/08 11:30 | Vasil Kirkov v Orel Ovil | 6-4,6-2 |
| ITF Poland F1 | 2018/05/01 07:30 | Michal Dembek v Vasil Kirkov | 6-1,6-0 |
| ITF Poland F1 | 2018/04/30 07:00 | Vasil Kirkov v Dominik Nazaruk | 6-4,6-3 |
| ITF USA F10 | 2018/04/12 17:20 | Vasil Kirkov v Collin Altamirano | 1-6,7-5,2-6 |
| ITF Tunisia F19 | 2018/05/12 09:00 | Hillel Rousseau v Worarin Kumthonkittikul | 6-1,7-6 |
| ITF Egypt F8 | 2018/03/03 12:30 | Fabian Gruber v Worarin Kumthonkittikul | 7-5,6-3 |
| ITF Egypt F7 | 2018/02/25 10:30 | Worarin Kumthonkittikul v Stefan Seifert | 4-6,0-6 |
| ITF Egypt F7 | 2018/02/24 08:00 | Klim Ivanov v Worarin Kumthonkittikul | 1-6,2-6 |
| ITF Egypt F6 | 2018/02/18 08:00 | Raleigh Smith v Worarin Kumthonkittikul | 6-1,6-2 |
| Challenger Bangkok Qual | 2018/01/06 06:20 | Worarin Kumthonkittikul v Mao-Xin Gong | 6-4,3-6,1-6 |
| Challenger Bangkok Qual | 2017/12/30 04:50 | Worarin Kumthonkittikul v Marsel Ilhan | 1-6,0-6 |
| Challenger Bangkok 2 Qual | 2017/01/07 03:00 | Worarin Kumthonkittikul v N.Sriram Balaji | 1-6,3-6 |