Stadium: Court 13 Round: 28
| ITF Korea F4 | 2018/08/17 01:00 | Ryota Tanuma v Minjong Park | 6-1,6-3 |
| ITF Korea F4 | 2018/08/15 01:00 | Ryota Tanuma v Ku Keon Kang | 7-5,7-6 |
| ITF Korea F4 | 2018/08/13 03:00 | Ryota Tanuma v Hyeong Jin Cho | 6-0,6-2 |
| Challenger Jinan | 2018/08/04 03:45 | Ryota Tanuma v Manish Sureshkumar | 3-6,7-6,1-6 |
| ITF Malaysia F2 | 2018/07/14 02:30 | Gabriel Petit v Ryota Tanuma | 1-6,1-6 |
| ITF Malaysia F2 | 2018/07/13 03:00 | Ryota Tanuma v Cheong-Eui Kim | 7-6,2-6,6-3 |
| ITF Malaysia F2 | 2018/07/11 03:30 | Ryota Tanuma v Connor Farren | 7-5,6-0 |
| ITF Malaysia F2 | 2018/07/10 03:55 | Ryota Tanuma v Adil Kalyanpur | 6-2,6-4 |
| ITF Korea F4 | 2018/08/17 01:00 | Ju-Hae Moon v Jae Hwan Kim | 2-6,2-6 |
| ITF Korea F4 | 2018/08/15 01:00 | Sungbeen Sim v Jae Hwan Kim | 2-6,0-6 |
| ITF Korea F3 | 2018/06/22 08:10 | Takuto Niki v Jae Hwan Kim | 6-3,6-4 |
| ITF Korea F3 | 2018/06/20 03:15 | Jae Hwan Kim v Shintaro Imai | 6-4,7-6 |
| ITF Korea F3 | 2018/06/19 02:35 | Sang-Woo Noh v Jae Hwan Kim | 4-6,0-6 |
| ITF Korea F2 | 2018/06/16 02:40 | Jae Hwan Kim v Yunseong Chung | 4-6,7-5,2-6 |
| ITF Korea F2 | 2018/06/15 03:00 | Jae Hwan Kim v Ju-Hae Moon | 6-4,6-1 |
| ITF Korea F2 | 2018/06/14 02:30 | Cheng-Yu Yu v Jae Hwan Kim | 1-6,5-7 |