Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Luan | 2019/05/13 03:10 | Natthasith Kunsuwan v Zijiang Yang | 6-2,6-2 |
| 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 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 M25 Luan | 2019/05/13 04:30 | Guan Kai Wang v Cheng Han | 3-6,6-3,10-3 |
| ITF M15 Wuhan | 2019/04/29 05:45 | Guan Kai Wang v Bingyu Yu | 7-5,2-6,8-10 |
| ITF Italy F34 | 2018/10/27 12:30 | Guan Kai Wang v Nicolas Parizzia | 1-6,1-6 |
| ITF Italy F31 | 2018/10/09 15:00 | Bogdan Ionut Apostol v Guan Kai Wang | 6-1,6-0 |
| ITF Italy F30 | 2018/09/29 08:00 | Toby Martin v Guan Kai Wang | 6-1,6-1 |
| ITF Bosnia and Herzegovina F2 | 2018/05/23 08:00 | Nerman Fatic v Guan Kai Wang | 6-1,6-4 |
| ITF Bosnia and Herzegovina F1 | 2018/05/16 09:00 | Christian Hirschmueller v Guan Kai Wang | 6-3,6-3 |
| ITF Italy F10 | 2016/05/07 07:30 | Guan Kai Wang v Alessandro Ceppellini | 2-6,1-6 |