Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| ITF Singapore F3 | 2018/05/30 03:30 | Yuta Shimizu v Hong Kit Wong | 5-7,6-2,6-4 |
| ITF Singapore F3 | 2018/05/29 02:00 | Hong Kit Wong v Matthew Romios | 6-2,6-3 |
| ITF Singapore F3 | 2018/05/27 03:00 | Hong Kit Wong v Teeradon Tortrakul | 4-6,6-2,6-1 |
| ITF Singapore F2 | 2018/05/22 02:00 | Collin Altamirano v Hong Kit Wong | 6-0,3-6,6-3 |
| ITF Singapore F2 | 2018/05/20 10:00 | Kelsey Stevenson v Hong Kit Wong | 1-6,1-6 |
| ITF Singapore F1 | 2018/05/16 02:00 | Hong Kit Wong v Daniel Nolan | 2-6,6-4,0-6 |
| ITF Singapore F1 | 2018/05/14 02:00 | Shaheed Alam v Hong Kit Wong | 4-6,5-7 |
| ITF Vietnam F2 | 2018/05/06 04:00 | Hong Kit Wong v Jirat Navasirisomboon | 5-7,3-6 |
| ITF Hong Kong F1 Qual | 2018/06/24 03:25 | Alex Hunt v Wai Yu Kai | 2-6,1-6 |
| ITF Hong Kong F1 Qual | 2018/06/23 02:00 | Wai Yu Kai v Sam Ryan Ziegann | 6-3,6-3 |
| ITF China F5 Qual | 2018/05/07 04:20 | Chukang Wang v Wai Yu Kai | 6-4,6-3 |
| ITF China F5 Qual | 2018/05/05 08:55 | Wai Yu Kai v Chuanqi Su | 6-1,6-0 |
| ITF China F4 Qual | 2018/04/29 07:20 | Wai Yu Kai v Chase Ferguson | 6-7,3-6 |
| ITF China F4 Qual | 2018/04/28 06:55 | Winter Meagher v Wai Yu Kai | 1-6,6-2,4-6 |
| ITF Hong Kong F6 | 2017/12/31 02:00 | Jack Murray v Wai Yu Kai | 6-0,6-2 |
| ITF Hong Kong F6 | 2017/12/30 03:00 | Wai Yu Kai v Tomohiro Masabayashi | 3-6,6-3,6-3 |