Stadium: Court A Round: 26 Ground: Hardcourt outdoor
| ITF M25 Tay Ninh | 2019/10/01 05:55 | Kazuki Nishiwaki v Lo, Chien Hsun | 6-3,6-4 |
| Challenger Shanghai | 2019/09/10 02:30 | Kazuki Nishiwaki v Jumpei Yamasaki | 3-6,2-6 |
| Challenger Shanghai | 2019/09/09 02:00 | Kazuki Nishiwaki v Balaji, N. Sriram | 6-4,6-3 |
| ITF M15 Cancun | 2019/08/20 20:20 | Olivares, Jose v Kazuki Nishiwaki | 6-3,3-6,6-0 |
| Challenger Yokkaichi | 2019/08/07 02:00 | Kazuki Nishiwaki v Yusuke Takahashi | 5-7,6-3,3-6 |
| Challenger Yokkaichi | 2019/08/06 01:00 | Courtney John Lock v Kazuki Nishiwaki | 2-6,2-6 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2019/06/15 03:00 | Gray, Jonathan v Kazuki Nishiwaki | 6-3,7-5 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2019/06/14 05:30 | Kazuki Nishiwaki v Nkomba, Benard Bruno | 6-3,6-0 |
| ITF M25 Tay Ninh | 2019/10/01 03:30 | Liu, Shao-Fan v Renta Tokuda | 6-2,6-4 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/15 04:25 | Kelly, Dayne v Liu, Shao-Fan | 6-4,7-5 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/14 02:30 | Liu, Shao-Fan v Duo, Bill | 6-3,6-2 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/13 02:30 | Singh, Karunuday v Liu, Shao-Fan | 6-3,5-7,9-11 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/12 05:50 | Vuradin, Lucas v Liu, Shao-Fan | 3-6,6-3,7-10 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/08 02:30 | Maggioli, Emiliano v Liu, Shao-Fan | 6-4,7-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/07 04:20 | Liu, Shao-Fan v Tsung-Hao Huang | 6-4,6-2 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/06 04:15 | Liu, Shao-Fan v S D Prajwal Dev | 6-2,6-2 |