Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Qujing | 2018/03/19 02:00 | Lorenzo Sonego v Kim, Cheong-Eui | 6-1,6-4 |
| Shenzhen, China, Qualifying | 2018/03/11 07:30 | Kamil Majchrzak v Kim, Cheong-Eui | 6-4,6-2 |
| Shenzhen, China, Qualifying | 2018/03/11 02:40 | Kim, Cheong-Eui v Granollers, Gerard | 4-6,6-3,7-5 |
| Challenger Zhuhai Qual | 2018/03/03 06:55 | Slobodchikov, Ronald v Kim, Cheong-Eui | 6-4,7-6 |
| Yokohama, Japan, Qualifying | 2018/02/24 01:00 | Wishaya Trongcharoenchaikul v Kim, Cheong-Eui | 6-4,7-6 |
| Challenger Kyoto Qual | 2018/02/18 06:20 | Kim, Cheong-Eui v Blake Ellis | 3-6,6-4,6-7 |
| Challenger Kyoto Qual | 2018/02/17 06:55 | Kim, Cheong-Eui v Onozawa, Arata | 2-6,6-3,6-4 |
| ITF Turkey F5 | 2018/02/06 09:00 | Kim, Cheong-Eui v Cipolla, Flavio | 2-6,7-5,3-6 |
| ITF USA F12 | 2018/04/24 16:45 | Harrison Adams v Hovhannisyan, Mousheg | 6-1,6-4 |
| ITF USA F11 | 2018/04/19 15:35 | Noah Rubin v Hovhannisyan, Mousheg | 6-3,6-0 |
| ITF USA F11 | 2018/04/17 15:55 | Irigaray Guarne, Pablo v Hovhannisyan, Mousheg | 7-5,6-7,3-6 |
| ITF USA F8 Qual | 2018/03/17 17:00 | Craig, Henry v Hovhannisyan, Mousheg | 6-2,6-3 |
| ITF USA F7 Qual | 2018/03/10 17:00 | Ventre, Alessandro-Damiano v Hovhannisyan, Mousheg | 6-3,3-6,6-4 |
| ITF Tunisia F7 | 2018/02/20 09:00 | Onishi, Ken v Hovhannisyan, Mousheg | 4-6,7-6,6-0 |
| Tunisia F6, Singles Qualifying | 2018/02/12 09:00 | Matteo Martineau v Hovhannisyan, Mousheg | 1-6,6-3,7-5 |
| Tunisia F6, Singles Qualifying | 2018/02/11 08:00 | de Vrind, Brian v Hovhannisyan, Mousheg | 1-6,4-6 |