stadio: Court 1 Round: 26
| ITF Corea F2 | 2018/06/13 03:05 | Soichiro Moritani v Joy Vigani | 6-1,6-2 |
| ITF Singapore F2 | 2018/05/21 02:00 | Soichiro Moritani v Thai-Son Kwiatkowski | 3-6,2-6 |
| ITF Singapore F1 | 2018/05/19 03:00 | Soichiro Moritani v Thai-Son Kwiatkowski | 2-6,2-6 |
| ITF Singapore F1 | 2018/05/18 03:30 | Nicholas S. Hu v Soichiro Moritani | 3-6,1-6 |
| ITF Singapore F1 | 2018/05/16 04:20 | Soichiro Moritani v Lucas Vuradin | 6-1,1-6,7-6 |
| ITF Singapore F1 | 2018/05/15 02:00 | Soichiro Moritani v Alec Adamson | 6-3,1-6,6-1 |
| ITF Vietnam F2 | 2018/05/07 03:00 | Takashi Saito v Soichiro Moritani | 7-6,3-6,6-3 |
| ITF Vietnam F1 | 2018/04/30 03:00 | Soichiro Moritani v Jirat Navasirisomboon | 2-6,4-6 |
| ITF Corea F2 | 2018/06/12 01:00 | Clement Larriere v Yunseong Chung | 3-6,4-6 |
| ITF Cina F7 | 2018/06/01 06:15 | Xin Gao v Yunseong Chung | 6-0,6-7,6-3 |
| ITF Cina F7 | 2018/05/31 04:30 | Chien Hsun Lo v Yunseong Chung | 2-6,7-5,5-7 |
| ITF Cina F7 | 2018/05/29 05:30 | Zhenxiong Dong v Yunseong Chung | 2-6,1-6 |
| Challenger Busan | 2018/05/15 03:25 | Matthew Ebden v Yunseong Chung | 6-3,3-6,6-3 |
| Challenger Busan - Qual. | 2018/05/14 02:00 | Yunseong Chung v Luke Saville | 6-7,7-6,6-0 |
| Challenger Busan - Qual. | 2018/05/13 04:00 | Jason Kubler v Yunseong Chung | 3-6,2-6 |
| Challenger Busan - Qual. | 2018/05/12 02:55 | Yunseong Chung v Ben Patael | 6-3,6-2 |