stadio: Court 2 Round: 46 Ground: Hardcourt outdoor
| Challenger Yokohama - Qual. | 2017/02/25 02:55 | Peter Kobelt v Kaito Itsusaki | 6-7,6-7 |
| ITF Giappone F5 | 2016/04/03 02:30 | Ryota Kishi v Kaito Itsusaki | 6-3,6-1 |
| ITF Giappone F1 | 2015/03/08 01:00 | Shunrou Takeshima v Kaito Itsusaki | 6-2,6-4 |
| Challenger Yokohama - Qual. | 2017/02/25 03:15 | Jumpei Yamasaki v Roberto Quiroz | 6-3,3-6,7-5 |
| Challenger Kyoto | 2017/02/21 07:50 | Soonwoo Kwon v Jumpei Yamasaki | 6-1,6-1 |
| ITF Spagna F4 | 2017/02/07 08:30 | Jumpei Yamasaki v Alberto Romero De Avila Senise | 6-3,3-6,3-6 |
| ITF Spagna F3 | 2017/01/31 09:00 | David Jorda Sanchis v Jumpei Yamasaki | 3-6,7-6,6-1 |
| ITF Hong Kong F1 | 2017/01/05 02:00 | Geoffrey Blancaneaux v Jumpei Yamasaki | 6-4,6-4 |
| ITF Hong Kong F1 | 2017/01/04 02:00 | Tung-Lin Wu v Jumpei Yamasaki | 3-6,4-6 |
| ITF Hong Kong F1 | 2017/01/03 02:00 | Skyler Butts v Jumpei Yamasaki | 3-6,2-6 |
| ITF Hong Kong F5 | 2016/12/28 23:00 | Jumpei Yamasaki v Jay Clarke | 3-6,2-6 |