Stadium: Court 2 Round: 164 Ground: Hardcourt outdoor
| Challenger Kobe | 2019/11/07 02:00 | Yuki Mochizuki v Ji Sung Nam | 3-6,6-1,1-6 |
| Challenger Yokkaichi | 2019/08/05 02:20 | Sho Shimabukuro v Yuki Mochizuki | 6-4,6-2 |
| ITF M25 Hong Kong | 2019/06/14 03:00 | Agustin Velotti v Yuki Mochizuki | 6-2,6-3 |
| ITF M25 Hong Kong | 2019/06/13 03:45 | Yuki Mochizuki v Jayden Court | 6-2,7-6 |
| ITF M25 Hong Kong | 2019/06/12 03:05 | Yuki Mochizuki v Coleman Wong | 6-1,6-4 |
| ITF M25 Hong Kong | 2019/06/08 03:00 | Yuki Mochizuki v Shuichi Sekiguchi | 3-6,6-7 |
| ITF M25 Hong Kong | 2019/06/07 02:00 | Chun Hsin Tseng v Yuki Mochizuki | 4-6,3-6 |
| ITF M25 Hong Kong | 2019/06/05 02:00 | Luca Castelnuovo v Yuki Mochizuki | 2-6,2-6 |
| Challenger Ningbo | 2019/10/14 02:00 | Sidharth Rawat v Zhao Zhao | 7-6,1-6,6-1 |
| ITF M15 Nanchang | 2019/09/30 07:40 | Zhao Zhao v Natthasith Kunsuwan | 1-6,6-1,7-10 |
| ITF M15 Nanchang | 2019/09/30 02:00 | Zhao Zhao v Yu Lun Xie | 6-1,6-2 |
| ITF M15 Nanchang | 2019/09/29 02:00 | Zhao Zhao v Jing Ke Chen | 6-2,6-1 |
| ATP Zhuhai | 2019/09/21 08:35 | Zhao Zhao v Yuichi Sugita | 0-6,0-6 |
| ITF M25 Kunshan | 2019/07/01 04:30 | Zhao Zhao v Zhou Mingzhou | 3-6,5-7 |
| ITF M25 Yinchuan | 2019/06/28 05:45 | Runhao Hua v Zhao Zhao | 6-0,6-0 |
| ITF M25 Yinchuan | 2019/06/28 01:30 | Guan Kai Wang v Zhao Zhao | 2-6,1-6 |