Stadium: Court 13 Round: 46
| Challenger Seoul Qual | 2018/04/28 04:40 | Shin, Seung-Hun v Jae Hwan Kim | 6-2,3-6,2-6 |
| ITF Thailand F12 Qual | 2017/12/11 04:45 | Billy Harris v Jae Hwan Kim | 6-4,6-4 |
| ITF Thailand F12 Qual | 2017/12/10 03:00 | Commings, Michael v Jae Hwan Kim | 3-6,2-6 |
| ITF Thailand F11 Qual | 2017/12/04 04:40 | Son, Ji Hoon v Jae Hwan Kim | 6-1,6-4 |
| ITF Thailand F11 Qual | 2017/12/03 03:00 | Daljev, Pavle v Jae Hwan Kim | 1-6,6-7 |
| ITF Korea F5 | 2017/06/30 04:20 | Jae Hwan Kim v Kang, Ku Keon | 6-2,1-6,7-6 |
| ITF Korea F5 | 2017/06/29 01:30 | Makoto Ochi v Jae Hwan Kim | 4-6,3-6 |
| ITF Korea F5 | 2017/06/28 02:25 | Lee, Jeong Heon v Jae Hwan Kim | 1-6,4-6 |
| Challenger - Taipei | 2018/04/10 11:50 | Jason Jung v Grills, Jacob | 6-0,6-3 |
| Challenger Taipei Qual | 2018/04/09 03:00 | Roelofse, Ruan v Grills, Jacob | 6-4,2-6,7-6 |
| Challenger Taipei Qual | 2018/04/08 03:00 | Yu, Cheng-Yu v Grills, Jacob | 6-4,5-7,3-6 |
| Challenger Taipei Qual | 2018/04/07 02:00 | Grills, Jacob v Yunseong Chung | 6-3,2-6,6-2 |
| ITF Japan F5 | 2018/04/02 03:10 | Shintaro Imai v Grills, Jacob | 6-1,6-1 |
| ITF Japan F4 | 2018/03/30 01:00 | Renta Tokuda v Grills, Jacob | 6-3,6-2 |
| ITF Japan F4 | 2018/03/29 01:00 | Wang, Chuhan v Grills, Jacob | 6-2,3-6,4-6 |
| ITF Japan F4 | 2018/03/27 01:00 | Grills, Jacob v Sekiguchi, Shuichi | 7-6,4-6,6-3 |