Stadium: Court 1 Round: 45 Ground: Hardcourt outdoor
| ITF M15 Kofu | 2019/03/18 03:00 | Yuichi Ito v Tamaki Yamao | 2-6,3-6 |
| ITF M15 - Antalya | 2019/02/11 07:00 | Tamaki Yamao v Arklon H D Pino | 6-7,6-7 |
| Challenger Kobe | 2018/11/10 03:35 | Tamaki Yamao v Naoki Tajima | 4-6,5-7 |
| ITF Japan F6 Qual | 2018/04/07 01:00 | Tamaki Yamao v Kazuki Nishiwaki | 6-4,3-6,3-6 |
| ITF Japan F5 | 2018/03/31 00:30 | Yu Hsiang Chiu v Tamaki Yamao | 6-2,7-6 |
| ITF Japan F4 | 2018/03/29 03:45 | Sho Katayama v Tamaki Yamao | 6-4,6-4 |
| ITF Japan F4 | 2018/03/28 01:00 | Yuya Kibi v Tamaki Yamao | 6-0,4-6,2-6 |
| ITF Japan F4 | 2018/03/25 01:00 | Tamaki Yamao v Ko Suzuki | 6-4,6-2 |
| ITF - M15 Nishi-Tokyo | 2019/03/11 02:00 | Gengo Kikuchi v Pak Long Yeung | 6-4,6-2 |
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Pak Long Yeung v Sho Shimabukuro | 1-6,3-6 |
| ITF M15 Anning | 2019/01/14 04:15 | Cing-Yang Meng v Pak Long Yeung | 6-1,2-6,10-8 |
| ITF M15 Anning | 2019/01/14 01:30 | Yanjie Zheng v Pak Long Yeung | 6-1,4-6,6-10 |
| ITF - M25 - Hongkong | 2019/01/02 03:20 | Julian Lenz v Pak Long Yeung | 6-1,6-4 |
| ITF Hong Kong F3 | 2018/12/26 02:00 | Xin Gao v Pak Long Yeung | 6-2,6-0 |
| ITF Hong Kong F3 | 2018/12/25 05:45 | Pak Long Yeung v Alexander Zhurbin | 6-3,6-7,6-3 |
| ITF Thailand F9 | 2018/11/13 09:25 | Pak Long Yeung v Ryota Tanuma | 4-6,7-6,6-7 |