Stadium: Court 13 Round: 28
| ITF Vietnam F3 | 2018/05/16 06:45 | Abhinav Sanjeev Shanmugam v Ryota Tanuma | 6-4,6-4 |
| ITF Vietnam F3 | 2018/05/15 03:00 | Phongsapak Kerdlaphee v Ryota Tanuma | 2-6,4-6 |
| ITF Vietnam F2 | 2018/05/11 03:00 | Gengo Kikuchi v Ryota Tanuma | 6-4,6-2 |
| ITF Vietnam F2 | 2018/05/09 03:00 | Linh Giang Trinh v Ryota Tanuma | 6-3,3-6,5-7 |
| ITF Vietnam F2 | 2018/05/07 05:15 | Adrian Andrzejczuk v Ryota Tanuma | 4-6,1-6 |
| ITF Vietnam F1 | 2018/05/02 05:25 | Ryota Tanuma v Lucas Vuradin | 6-7,2-6 |
| ITF Vietnam F1 | 2018/05/01 03:00 | Ryota Tanuma v Chun Hun Wong | 3-6,7-6,6-1 |
| ITF Japan F6 | 2018/04/10 04:45 | Shota Iino v Ryota Tanuma | 2-6,2-6 |
| Challenger Busan Qual | 2018/05/12 01:00 | Jae Hwan Kim v Guillermo Olaso | 0-6,5-7 |
| Challenger Gimcheon Qual | 2018/05/05 02:50 | Jae Hwan Kim v Luke Saville | 2-6,7-6,2-6 |
| Challenger Seoul Qual | 2018/04/29 04:15 | Jae Hwan Kim v Jacob Grills | 6-4,2-6,4-6 |
| Challenger Seoul Qual | 2018/04/28 04:40 | Seung-Hun Shin 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 | Michael Commings v Jae Hwan Kim | 3-6,2-6 |
| ITF Thailand F11 Qual | 2017/12/04 04:40 | Ji Hoon Son v Jae Hwan Kim | 6-1,6-4 |
| ITF Thailand F11 Qual | 2017/12/03 03:00 | Pavle Daljev v Jae Hwan Kim | 1-6,6-7 |