Stadium: Court 10 Round: 54 Ground: Hardcourt outdoor
| Challenger Kobe | 2018/11/11 06:10 | Blake Ellis v Seita Watanabe | 6-4,6-2 |
| Challenger Kobe | 2018/11/10 07:20 | Seita Watanabe v Takashi Saito | 4-6,7-5,7-6 |
| ITF Japan F8 | 2018/06/09 01:00 | Seita Watanabe v Tomohiro Masabayashi | 7-6,5-7,4-6 |
| Challenger Kobe Qual | 2017/11/04 07:45 | Seita Watanabe v Xin Gao | 6-4,4-6,0-6 |
| ITF Korea F5 | 2018/08/23 02:00 | Cheong-Eui Kim v Seong Taek Im | 7-6,6-0 |
| ITF Korea F5 | 2018/08/21 04:20 | Hyeong Don Kim v Seong Taek Im | 6-4,3-6,1-6 |
| ITF Korea F5 | 2018/08/20 01:00 | Seong Jae Han v Seong Taek Im | 2-6,2-6 |
| ITF Korea F5 | 2018/08/19 02:00 | Seong Taek Im v Seungri Choi | 6-3,6-2 |
| ITF Korea F5 | 2018/08/18 03:00 | Seong Taek Im v Yusei Fukuoka | 6-1,6-2 |
| ITF Korea F4 | 2018/08/14 02:30 | Oh-Hee Kwon v Seong Taek Im | 6-3,6-4 |
| ITF Korea F4 | 2018/08/12 02:00 | Seong Taek Im v Seong Jae Han | 7-5,6-2 |
| ITF Korea F4 | 2018/08/11 01:00 | Seong Taek Im v Mingyuan Yang | 6-0,6-4 |