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