Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Wuhan | 2019/05/06 07:05 | Karunuday Singh v Natthasith Kunsuwan | 6-4,6-2 |
| ITF M15 Wuhan | 2019/04/30 03:20 | Natthasith Kunsuwan v Pak Long Yeung | 5-7,2-6 |
| 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 Hongkong | 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 M15 Wuhan | 2019/04/29 05:10 | Zijiang Yang v Alexander Klintcharov | 0-6,4-6 |
| ITF China F8 Qual | 2018/06/03 03:25 | William Ma v Zijiang Yang | 6-2,6-2 |
| ITF China F8 Qual | 2018/06/02 03:25 | X Yang v Zijiang Yang | 0-6,0-6 |
| ITF China F7 Qual | 2018/05/27 04:40 | Changli Zhang v Zijiang Yang | 6-2,6-3 |
| ITF China F6 Qual | 2018/05/14 03:00 | Chukang Wang v Zijiang Yang | 7-5,6-2 |
| ITF China F6 Qual | 2018/05/13 03:00 | Zijiang Yang v Cameron Lickle | 6-2,6-4 |
| ITF China F4 Qual | 2018/04/29 03:40 | Jianhui Li v Zijiang Yang | 6-1,6-4 |
| ITF China F4 Qual | 2018/04/28 04:40 | Zijiang Yang v Marlino Pascual | 6-4,6-2 |