Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| Australian Open - Wild Card | 2019/12/03 03:00 | Jumpei Yamasaki v Rhett Purcell | 4-6,7-5,6-3 |
| ITF - Nonthaburi M15 | 2019/11/27 04:50 | Jumpei Yamasaki v Benjamin Pietri | 4-6,6-3,2-6 |
| Challenger Kobe | 2019/11/05 01:30 | Jumpei Yamasaki v Ramkumar Ramanathan | 4-6,1-6 |
| ITF - Tay Ninh M25 | 2019/10/09 02:00 | Jumpei Yamasaki v Christian Didier Chin | 6-2,6-0 |
| ITF - Tay Ninh M25 | 2019/10/02 03:30 | Rimpei Kawakami v Jumpei Yamasaki | 6-1,6-3 |
| Challenger Kaohsiung | 2019/09/17 01:30 | Jumpei Yamasaki v Luke Saville | 6-7,4-6 |
| Challenger Kaohsiung | 2019/09/16 01:30 | Jumpei Yamasaki v Chang-Lin Tsai | 6-3,6-1 |
| Challenger Shanghai | 2019/09/11 05:45 | Jumpei Yamasaki v Enrique Lopez-Perez | 4-6,6-3,2-6 |
| Challenger Playford 2 | 2019/11/01 01:50 | Alex Bolt v Tatsuma Ito | 5-7,4-6 |
| Challenger Playford 2 | 2019/10/31 03:30 | Blake Mott v Tatsuma Ito | 4-6,6-7 |
| Challenger Playford 2 | 2019/10/30 01:20 | Brydan Klein v Tatsuma Ito | 4-6,4-6 |
| Challenger Traralgon | 2019/10/26 06:15 | Andrew Harris v Tatsuma Ito | 4-6,7-6,7-6 |
| Challenger Traralgon | 2019/10/24 23:00 | Max Purcell v Tatsuma Ito | 5-7,1-6 |
| Challenger Traralgon | 2019/10/24 02:50 | Harry Bourchier v Tatsuma Ito | 4-6,6-4,3-6 |
| Challenger Traralgon | 2019/10/22 23:00 | Bradley Mousley v Tatsuma Ito | 4-6,3-6 |
| Challenger Ningbo | 2019/10/17 06:50 | Tatsuma Ito v Frederico Ferreira Silva | 4-6,6-7 |