Stadium: Court 1 Round: 44 Ground: Clay
| ITF China F4 Qual | 2018/04/28 03:35 | Natthasith Kunsuwan v Jing Ke Chen | 6-2,6-1 |
| ITF M15 Wuhan | 2019/04/29 02:00 | Chukang Wang v Jing Ke Chen | 6-3,6-0 |
| ITF China F4 Qual | 2018/04/28 03:35 | Natthasith Kunsuwan v Jing Ke Chen | 6-2,6-1 |
| ITF M15 Nanchang | 2019/09/16 02:00 | Amit Beniwal v Natthasith Kunsuwan | 1-6,3-6 |
| ITF M15 Nanchang | 2019/09/16 02:00 | Shinnosuke Hiramatsu v Natthasith Kunsuwan | 7-5,6-3 |
| ITF M15 Sajur | 2019/09/03 07:00 | Natthasith Kunsuwan v Sahar Simon | 6-7,4-6 |
| ITF M15 Sajur | 2019/09/02 09:30 | Natthasith Kunsuwan v Guy Dagan | 6-3,6-2 |
| ITF M15 Kiryat Shmona | 2019/08/26 13:00 | Roi Ginat v Natthasith Kunsuwan | 6-2,6-1 |
| ITF M15 Kiryat Shmona | 2019/08/26 08:30 | Rotem Sobol v Natthasith Kunsuwan | 6-7,3-6 |
| ITF M15 Hua Hin | 2019/08/19 06:25 | Natthasith Kunsuwan v Sung Jun Park | 0-6,4-6 |
| ITF M25 Nonthaburi | 2019/07/30 04:50 | Noppadol Noikor v Natthasith Kunsuwan | 6-4,6-4 |