Stadium: Court 3 Round: 26
| 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 Egypt F12 | 2018/04/05 08:00 | Michael Zhu v Vladyslav Manafov | 0-6,6-7 |
| ITF Egypt F12 | 2018/04/04 12:35 | Jose Fco. Vidal Azorin v Michael Zhu | 3-6,3-6 |
| ITF Canada F2 Qual | 2018/03/04 15:00 | Ulises Blanch v Michael Zhu | 6-3,6-1 |
| ITF Canada F2 Qual | 2018/03/03 15:00 | Justin Boulais v Michael Zhu | 2-6,6-1,2-6 |
| ITF Canada F1 Qual | 2018/02/25 15:00 | Cannon Kingsley v Michael Zhu | 6-2,7-6 |
| Challenger San Francisco Qual | 2018/02/03 23:10 | Michael Zhu v Rrezart Cungu | 6-4,4-6,2-6 |
| Challenger Dallas Qual | 2018/01/28 16:00 | Michael Zhu v Jared Hiltzik | 4-6,3-6 |
| Challenger Dallas Qual | 2018/01/27 17:45 | Aliaksandr Bury v Michael Zhu | 2-6,5-7 |