Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF Chinese Taipei F1 | 2018/07/18 03:55 | Pai, Jie-Ming v Mladenov, Vasko | 3-6,1-6 |
| Challenger Recanati Qual | 2018/06/30 14:45 | Gonzalez, Alejandro v Mladenov, Vasko | 6-4,6-3 |
| ITF Tunisia F21 | 2018/05/30 09:00 | Lucas Catarina v Mladenov, Vasko | 6-1,6-4 |
| ITF Tunisia F20 | 2018/05/23 09:00 | Mladenov, Vasko v Aziz Ouakaa | 3-6,4-6 |
| Tunisia F19, Singles Qualifying | 2018/05/18 11:00 | Mladenov, Vasko v Moez Echargui | 7-6,0-6,2-6 |
| Tunisia F19, Singles Qualifying | 2018/05/17 09:00 | Mladenov, Vasko v Ren Nakamura | 6-4,6-2 |
| Tunisia F19, Singles Qualifying | 2018/05/15 09:00 | Espin Busleiman, Geronimo v Mladenov, Vasko | 4-6,6-2,4-6 |
| Tunisia F18, Singles Qualifying | 2018/05/10 09:00 | Guez, David v Mladenov, Vasko | 6-1,6-4 |
| Korea F3, Singles Qualifying | 2018/06/17 04:30 | Chiu, Yu Hsiang v Lim, Hyung-Chan | 4-6,4-6 |
| ITF Korea F2 | 2018/06/13 06:05 | Chiu, Yu Hsiang v Jeamoon Lee | 4-6,4-6 |
| ITF Korea F2 | 2018/06/11 09:20 | Kim, Hyeong Don v Chiu, Yu Hsiang | 3-6,5-7 |
| ITF Korea F2 | 2018/06/10 06:30 | Lee, Woo Young v Chiu, Yu Hsiang | 2-6,3-6 |
| ITF Korea F1 | 2018/06/03 03:30 | Chiu, Yu Hsiang v Park, Sung Jun | 4-6,2-6 |
| ITF Japan F5 | 2018/04/01 00:30 | Chiu, Yu Hsiang v Osafune, Masaki | 6-2,6-2 |
| ITF Japan F5 | 2018/03/31 00:30 | Chiu, Yu Hsiang v Tamaki Yamao | 6-2,7-6 |
| ITF Japan F4 | 2018/03/28 03:20 | Wang, Chuhan v Chiu, Yu Hsiang | 3-6,6-0,6-4 |