Stadium: Court 10 Round: 25 Ground: Hardcourt outdoor
| ITF Hong Kong F3 | 2018/12/29 03:00 | Denis Yevseyev v Gao, Xin | 6-4,1-6,6-4 |
| ITF Hong Kong F3 | 2018/12/28 02:00 | Gao, Xin v Aslan Karatsev | 6-3,6-4 |
| ITF Hong Kong F3 | 2018/12/27 02:00 | Luca Castelnuovo v Gao, Xin | 6-7,2-6 |
| ITF Hong Kong F3 | 2018/12/26 02:00 | Gao, Xin v Yeung, Pak Long | 6-2,6-0 |
| 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 |
| Mouilleron-Le-Captif, France | 2018/11/04 14:30 | Rochette, Laurent v Jahn, Jeremy | 7-6,6-4 |
| Mouilleron-Le-Captif, France | 2018/11/03 18:55 | Jahn, Jeremy v Gigounon, Germain | 6-1,4-6,6-2 |
| Challenger Eckental | 2018/10/27 12:55 | Viktor Durasovic v Jahn, Jeremy | 6-7,6-3,6-2 |
| Challenger Ismaning | 2018/10/19 12:50 | Gleb Sakharov v Jahn, Jeremy | 6-3,3-6,6-3 |
| Challenger Ismaning | 2018/10/18 11:30 | Jahn, Jeremy v Louis Wessels | 7-6,6-4 |
| Challenger - Barcelone | 2018/10/08 12:05 | Wang, Tak Khunn v Jahn, Jeremy | 6-4,6-4 |
| Challenger - Barcelone | 2018/10/07 15:10 | Jahn, Jeremy v Zizou Bergs | 7-6,6-1 |
| Challenger - Barcelone | 2018/10/07 07:15 | Nerman Fatic v Jahn, Jeremy | 2-6,6-4,1-6 |