Stadium: Centre Court Round: 26 Ground: Hardcourt outdoor
| ITF Hong Kong F3 | 2018/12/25 06:50 | Gao, Xin v Geoffrey Blancaneaux | 7-6,6-3 |
| ITF Hong Kong F3 | 2018/12/24 03:40 | Gao, Xin v Khomich, Aleksei | 6-3,6-1 |
| ITF Hong Kong F3 | 2018/12/22 02:00 | Gao, Xin v Kai, Wai Yu | 6-3,6-2 |
| Challenger Kobe | 2018/11/11 04:50 | Gao, Xin v Tung-Lin Wu | 4-6,2-6 |
| Challenger Kobe | 2018/11/10 06:00 | Gao, Xin v Kazuki Nishiwaki | 6-4,6-4 |
| Shenzhen II, Chine | 2018/10/28 04:05 | Sumit Nagal v Gao, Xin | 6-4,6-2 |
| Shenzhen II, Chine | 2018/10/27 07:25 | Gao, Xin v Pavlioutchenkov, Alexander | 6-1,6-2 |
| Liuzhou, Chine | 2018/10/20 02:00 | Michael Zhu v Gao, Xin | 1-6,6-3,6-1 |
| ITF Hong Kong F3 | 2018/12/25 05:45 | Yeung, Pak Long v Zhurbin, Alexander | 6-3,6-7,6-3 |
| ITF Thailand F9 | 2018/11/13 09:25 | Yeung, Pak Long v Ryota Tanuma | 4-6,7-6,6-7 |
| ITF Thailand F9 | 2018/11/12 03:40 | Wattanakul, Pol v Yeung, Pak Long | 5-7,1-6 |
| ITF Thailand F9 | 2018/11/11 06:00 | Yeung, Pak Long v Linh Giang Trinh | 6-2,6-3 |
| ITF Thailand F9 | 2018/11/10 02:00 | Yeung, Pak Long v Baibong, Prachaya | 6-1,6-1 |
| ITF France F21 | 2018/10/10 14:00 | Christoph Negritu v Yeung, Pak Long | 7-6,6-4 |
| ITF France F21 | 2018/10/07 11:10 | Schneider, Theo v Yeung, Pak Long | 2-6,5-7 |
| ITF France F21 | 2018/10/06 12:10 | Cocouvi, Robin v Yeung, Pak Long | 6-7,3-6 |