Stadium: Court 11 Round: 28 Ground: Hardcourt outdoor
| ITF Japan F1 | 2018/03/08 07:15 | Jumpei Yamasaki v Yuki Mochizuki | 1-6,3-6 |
| ITF Hong Kong F1 | 2017/06/23 02:30 | Jumpei Yamasaki v Yuki Mochizuki | 5-7,2-6 |
| ITF Hong Kong F1 | 2018/06/28 02:00 | Chukang Wang v Jumpei Yamasaki | 0-6,2-6 |
| ITF Hong Kong F1 | 2018/06/27 03:45 | Anthony Jackie Tang v Jumpei Yamasaki | 7-5,3-6,1-6 |
| ITF Hong Kong F1 | 2018/06/26 03:15 | Wei-De Lin v Jumpei Yamasaki | 3-6,3-6 |
| ITF Korea F3 | 2018/06/22 04:55 | Soonwoo Kwon v Jumpei Yamasaki | 6-3,6-1 |
| ITF Korea F3 | 2018/06/21 02:50 | Young Seok Kim v Jumpei Yamasaki | 6-7,4-6 |
| ITF Korea F3 | 2018/06/19 08:10 | Seung-Hun Shin v Jumpei Yamasaki | 6-4,2-6,1-6 |
| ITF Korea F2 | 2018/06/14 01:00 | Ju-Hae Moon v Jumpei Yamasaki | 6-4,7-5 |
| ITF Korea F2 | 2018/06/12 01:00 | Tae-Woo Lee v Jumpei Yamasaki | 3-6,0-6 |
| ITF Hong Kong F1 | 2018/06/28 02:00 | Haru Inoue v Yuki Mochizuki | 3-6,1-6 |
| ITF Hong Kong F1 | 2018/06/27 02:00 | Chun Hun Wong v Yuki Mochizuki | 3-6,2-6 |
| ITF Hong Kong F1 | 2018/06/26 02:00 | Yuki Mochizuki v Yuta Shimizu | 3-6,6-4,6-4 |
| ITF Japan F8 | 2018/06/16 02:00 | Rio Noguchi v Yuki Mochizuki | 3-6,6-4,6-3 |
| ITF Japan F8 | 2018/06/15 01:30 | Yuki Mochizuki v Ryota Tanuma | 6-3,5-7,6-2 |
| ITF Japan F8 | 2018/06/12 02:35 | Yuki Mochizuki v Sho Shimabukuro | 6-0,6-3 |
| ITF Japan F7 | 2018/06/07 02:00 | Yuki Mochizuki v Sho Shimabukuro | 6-7,7-6,4-6 |
| ITF Japan F7 | 2018/06/05 01:00 | Yuki Mochizuki v Kazuma Kawachi | 6-1,6-2 |