Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Tay Ninh | 2019/10/01 06:05 | Takashi Saito v Congsup Congcar | 6-2,2-6,6-4 |
| ITF M15 Nanchang | 2019/09/28 02:00 | Takashi Saito v Yan Sabanin | 3-6,1-6 |
| ITF M15 Nanchang | 2019/09/27 04:10 | Taisei Ichikawa v Takashi Saito | 4-6,6-2,3-6 |
| ITF M15 Nanchang | 2019/09/26 02:00 | Anirudh Chandrasekar v Takashi Saito | 7-5,0-6,0-6 |
| ITF M15 Nanchang | 2019/09/24 02:00 | Li-Wei Tan v Takashi Saito | 6-1,1-6,1-6 |
| ITF M15 Hua Hin | 2019/09/06 03:00 | Takashi Saito v Yusuke Takahashi | 2-6,2-6 |
| ITF M15 Hua Hin | 2019/09/05 05:00 | Seita Watanabe v Takashi Saito | 4-6,4-6 |
| ITF M15 Hua Hin | 2019/09/04 07:35 | Takashi Saito v Yuttana Charoenphon | 5-7,6-4,6-0 |
| ITF M25 Tay Ninh | 2019/10/02 02:00 | Grigoriy Lomakin v Goncalo Oliveira | 2-6,0-6 |
| ATP Zhuhai | 2019/09/21 06:50 | Goncalo Oliveira v Brayden Schnur | 5-7,3-6 |
| Challenger Kaohsiung | 2019/09/17 09:20 | Mukund Sasikumar v Goncalo Oliveira | 7-6,3-6,7-6 |
| Challenger Shanghai | 2019/09/12 05:20 | Prajnesh Gunneswaran v Goncalo Oliveira | 6-3,6-4 |
| Challenger Shanghai | 2019/09/11 02:30 | Tak Khunn Wang v Goncalo Oliveira | 7-6,3-6,4-6 |
| Challenger Jinan | 2019/09/02 07:40 | Igor Sijsling v Goncalo Oliveira | 3-6,2-6 |
| Challenger Baotou | 2019/08/29 05:35 | Aleksandar Vukic v Goncalo Oliveira | 4-6,6-3,0-6 |
| Challenger Baotou | 2019/08/28 05:55 | Luca Castelnuovo v Goncalo Oliveira | 4-6,4-6 |