Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| Challenger - Kobe | 2019/11/04 03:25 | Takashi Saito v Sho Shimabukuro | 6-7,3-6 |
| ITF M25 - Tây 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 M25 Toowoomba | 2019/10/07 01:15 | Taiyo Yamanaka v Nicholas Horton | 3-6,6-3,6-10 |
| ITF M25 Toowoomba | 2019/10/06 03:30 | William Ma v Taiyo Yamanaka | 6-7,3-6 |
| ITF M25 - Brisbane | 2019/10/01 00:00 | Taiyo Yamanaka v Tristan Schoolkate | 6-1,5-7,5-10 |
| ITF M25 - Brisbane | 2019/09/30 00:00 | Joshua Ryan v Taiyo Yamanaka | 4-6,5-7 |
| ITF M25 - Brisbane | 2019/09/29 02:00 | Taiyo Yamanaka v Joseph W. Van Meter | 6-4,7-5 |
| ITF M25 - Darwin | 2019/09/24 00:30 | Jesse Flores v Taiyo Yamanaka | 6-3,6-4 |
| ITF M25 - Darwin | 2019/09/23 03:00 | Taiyo Yamanaka v Ren Nakamura | 6-2,6-4 |
| ITF M25 - Darwin | 2019/09/22 00:30 | Alexey Shtengelov v Taiyo Yamanaka | 2-6,2-6 |