Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| Coupe Davis | 2017/07/21 05:30 | Koay, Hao Sheng v Ali Mutawa, Jabor Mohammed | 6-7,6-1,4-6 |
| ITF Sri Lanka F2 | 2017/06/27 03:00 | Samaha, Giovani v Koay, Hao Sheng | 6-3,6-2 |
| Sri Lanka F1, Singles Qualifying | 2017/06/20 03:30 | Dzhavakian, Yurii v Koay, Hao Sheng | 6-4,6-1 |
| Sri Lanka F1, Singles Qualifying | 2017/06/18 04:00 | Sood, Chandril v Koay, Hao Sheng | 6-3,6-7,3-6 |
| Sri Lanka F1, Singles Qualifying | 2017/06/17 04:00 | Koay, Hao Sheng v Byreddy, Sai Saran Reddy | 6-1,2-6,6-2 |
| Coupe Davis | 2016/03/06 04:30 | Hung, Jui-Chen v Koay, Hao Sheng | 7-5,6-1 |
| WTA Kuala Lumpur Qual | 2014/09/21 04:40 | Ward, James v Koay, Hao Sheng | 6-0,6-0 |
| ITF - M15 Monastir | 2021/08/24 07:30 | Martniez, Mateo Nicolas v Chavez Villalpando, Luis Diego | 6-4,6-4 |
| ITF - M15 Monastir | 2021/08/23 08:00 | Mohamed Amin Oueslati v Chavez Villalpando, Luis Diego | 2-6,0-6 |
| ITF - M15 Monastir | 2021/08/22 10:00 | Masamichi Imamura v Chavez Villalpando, Luis Diego | 6-7,6-1,5-10 |
| ITF - M15 Monastir | 2021/08/18 10:25 | Dane Sweeny v Chavez Villalpando, Luis Diego | 6-4,6-3 |
| ITF - M15 Monastir | 2021/08/17 07:30 | Masamichi Imamura v Chavez Villalpando, Luis Diego | 7-6,7-6 |
| ITF - M15 Monastir | 2021/08/16 08:30 | Vito Dell'Elba v Chavez Villalpando, Luis Diego | 2-6,1-6 |
| ITF - M15 Monastir | 2021/08/15 09:30 | Babji Siva Atturu v Chavez Villalpando, Luis Diego | 0-6,1-6 |
| ITF M25 Bakio | 2021/06/29 13:25 | Pujol Navarro, Bruno v Chavez Villalpando, Luis Diego | 6-4,6-4 |