Stadium: Court D Round: 45 Ground: Hardcourt outdoor
| ITF Japan F7 | 2018/06/04 01:00 | Yuichiro Inui v Tomohiro Masabayashi | 5-7,3-6 |
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Li-Wei Tan v Tomohiro Masabayashi | 3-6,1-6 |
| ITF China F14 | 2018/08/27 09:10 | Weiqiang Zheng v Tomohiro Masabayashi | 7-6,6-1 |
| ITF China F13 | 2018/08/21 03:30 | Tomohiro Masabayashi v Ranjeet Virali-Murugesan | 0-6,1-6 |
| ITF Chinese Taipei F2 | 2018/07/24 03:40 | Francesco Vilardo v Tomohiro Masabayashi | 6-3,6-0 |
| ITF Chinese Taipei F2 Qual | 2018/07/23 03:00 | Tomohiro Masabayashi v Chen Chang | 6-0,6-2 |
| ITF Chinese Taipei F2 Qual | 2018/07/22 04:00 | Tomohiro Masabayashi v Mu Fu Tsai | 6-0,6-0 |
| ITF Chinese Taipei F1 | 2018/07/17 03:35 | Tomohiro Masabayashi v Yu Hsiou Hsu | 6-2,0-6,2-6 |
| ITF Chinese Taipei F1 Qual | 2018/07/16 02:00 | Tomohiro Masabayashi v Hei Yin Andrew Li | 4-6,7-6,6-2 |
| ITF M15 Anning | 2019/01/07 01:30 | Anirudh Chandrasekar v Yuichiro Inui | 7-5,6-3 |
| ITF M15 Anning | 2019/01/03 02:00 | Yuichiro Inui v Jie Cui | 2-6,2-6 |
| ITF M15 Anning | 2019/01/02 04:55 | Shi Hong Zeng v Yuichiro Inui | 3-6,7-6,1-6 |
| ITF M15 Anning | 2018/12/31 05:00 | Daisuke Sumizawa v Yuichiro Inui | 4-6,2-6 |
| ITF M15 Anning | 2018/12/31 01:30 | Zhuoyang Qiu v Yuichiro Inui | 0-6,2-6 |
| ITF Kuwait F3 | 2018/11/12 09:20 | Yuichiro Inui v Roy Sarut De Valk | 6-7,2-6 |
| ITF Kuwait F3 | 2018/11/11 09:15 | Yuichiro Inui v Hussain Han Kuw Shams | 6-1,6-1 |
| ITF Kuwait F3 | 2018/11/10 11:40 | Yuichiro Inui v Yanik Kaelin | 6-4,6-4 |