Stadium: Court 10 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Wuhan | 2019/04/29 07:05 | Natthasith Kunsuwan v Yaojie Zeng | 7-6,6-3 |
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Aoran Wang v Natthasith Kunsuwan | 6-4,6-4 |
| Challenger Bangkok | 2019/02/11 06:25 | Natthasith Kunsuwan v David Perez Sanz | 2-6,4-6 |
| ITF M25 Hong Kong | 2019/01/01 03:35 | Kuan-Yi Lee v Natthasith Kunsuwan | 6-2,6-3 |
| ITF Hong Kong F3 | 2018/12/24 02:00 | Congsup Congcar v Natthasith Kunsuwan | 6-3,7-6 |
| ITF Thailand F9 | 2018/11/12 04:30 | Natthasith Kunsuwan v Robert Strombachs | 2-6,0-6 |
| ITF Thailand F8 | 2018/11/03 06:00 | Yeongseok Jeong v Natthasith Kunsuwan | 6-2,4-6,6-4 |
| Challenger Shenzhen 2 | 2018/10/27 07:30 | Saketh Myneni v Natthasith Kunsuwan | 6-4,7-5 |
| ITF M15 Wuhan | 2019/04/29 07:55 | Yuttana Charoenphon v Pak Long Yeung | 1-6,2-6 |
| ITF M15 Kofu | 2019/03/18 06:30 | Tamaki Yamao v Pak Long Yeung | 6-3,6-7,10-6 |
| 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 Hong Kong | 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 |