Estádio: Court 3 Round: 26
| ITF - Singapura F3 | 2018/05/28 05:00 | Cheng-Yu Yu v Jacob Grills | 7-6,3-6,3-6 |
| ITF - Singapura F2 | 2018/05/22 03:35 | Blake Ellis v Cheng-Yu Yu | 6-3,6-4 |
| ITF - Vietname F3 | 2018/05/18 03:00 | Cheng-Yu Yu v Pruchya Isarow | 6-3,3-6,5-7 |
| ITF - Vietname F3 | 2018/05/17 03:00 | Cheng-Yu Yu v Alexios Halebian | 6-4,6-2 |
| ITF - Vietname F3 | 2018/05/16 03:00 | Cheng-Yu Yu v Gengo Kikuchi | 6-3,6-1 |
| ITF - Vietname F3 | 2018/05/15 04:35 | Cheng-Yu Yu v Alexander Crnokrak | 6-2,6-1 |
| Challenger - Taipei - Qualificação | 2018/04/08 03:00 | Cheng-Yu Yu v Jacob Grills | 6-4,5-7,3-6 |
| Challenger - Taipei - Qualificação | 2018/04/07 03:05 | Tsung-Hao Huang v Cheng-Yu Yu | 5-7,1-6 |
| ITF - Coreia F2 | 2018/06/13 03:30 | Jae Hwan Kim v Sang-Woo Noh | 6-2,6-3 |
| ITF - Coreia F2 | 2018/06/11 03:30 | Jae Hwan Kim v Sung Jun Park | 6-1,6-2 |
| ITF - Coreia F2 | 2018/06/10 02:00 | Jae Hwan Kim v Seung-Hun Shin | 6-2,6-2 |
| ITF - Coreia F1 | 2018/06/07 01:00 | Jae Hwan Kim v Jeamoon Lee | 6-4,2-6,4-6 |
| ITF - Coreia F1 | 2018/06/06 02:50 | Young Seok Kim v Jae Hwan Kim | 4-6,4-6 |
| Challenger - Busan - Qualificação | 2018/05/12 01:00 | Jae Hwan Kim v Guillermo Olaso | 0-6,5-7 |
| Challenger - Gimcheon - Qualificação | 2018/05/05 02:50 | Jae Hwan Kim v Luke Saville | 2-6,7-6,2-6 |
| Challenger - Seul - Qualificação | 2018/04/29 04:15 | Jae Hwan Kim v Jacob Grills | 6-4,2-6,4-6 |