Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2019/06/04 02:00 | Adamson, Alec v Ng, Hao Yuan | 6-3,6-3 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2019/05/30 03:15 | Ng, Hao Yuan v Manish Sureshkumar | 1-6,2-6 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2019/05/29 04:15 | Ong, Gareth v Ng, Hao Yuan | 0-6,1-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/05/21 03:00 | Ng, Hao Yuan v Kaewsuto, Chayanon | 6-7,6-1,8-10 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/05/20 06:10 | Boris Butulija v Ng, Hao Yuan | 2-6,3-6 |
| Wuhan, Singles Qualifying M-ITF-CHN-04A | 2019/04/29 06:30 | Ng, Hao Yuan v Tao Mu | 1-6,1-6 |
| ITF - M15 Tsukuba | 2019/03/25 01:00 | Tamaki Yamao v Ng, Hao Yuan | 6-3,6-2 |
| ITF Pakistan F3 | 2018/12/19 07:10 | Nadaf, Hamid Reza v Ng, Hao Yuan | 6-1,6-2 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2019/06/08 07:00 | Kelly, Dayne v Gray, Jonathan | 6-3,6-3 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2019/06/07 08:30 | Manish Sureshkumar v Gray, Jonathan | 3-6,1-6 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2019/06/06 09:00 | Shaheed Alam v Gray, Jonathan | 1-6,5-7 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2019/05/31 02:00 | Bourchier, Harry v Gray, Jonathan | 6-4,2-6,7-5 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2019/05/29 02:00 | Hobbs, Roy v Gray, Jonathan | 3-6,4-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/05/01 08:30 | Gray, Jonathan v Louis Tessa | 6-2,1-6,2-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/23 11:55 | Gray, Jonathan v Louis Tessa | 4-6,3-6 |
| ITF M15 Madrid | 2019/04/17 11:40 | Benjamin Winter Lopez v Gray, Jonathan | 7-6,6-3 |