Stadium: Court 11 Round: 26 Ground: Hardcourt outdoor
| Hong Kong, Simples M-ITF-HKG-04A | 2019/01/02 07:40 | Shintaro Imai v He, Yecong | 6-4,6-2 |
| ITF Hong Kong F3 | 2018/12/25 03:45 | Shintaro Imai v Evan Furness | 3-6,6-3,3-6 |
| Challenger Kobe | 2018/11/13 03:35 | Yasutaka Uchiyama v Shintaro Imai | 3-6,6-3,6-2 |
| ITF Thailand F5 | 2018/10/06 03:30 | Kelsey Stevenson v Shintaro Imai | 6-7,1-6 |
| ITF Thailand F5 | 2018/10/05 04:00 | Jumpei Yamasaki v Shintaro Imai | 2-6,4-6 |
| ITF Thailand F5 | 2018/10/04 04:30 | Felix Corwin v Shintaro Imai | 6-7,4-6 |
| ITF Thailand F5 | 2018/10/03 03:40 | Ren Nakamura v Shintaro Imai | 1-6,2-6 |
| ITF Thailand F5 | 2018/10/02 07:25 | Dembek, Michal v Shintaro Imai | 1-6,3-6 |
| Hong Kong, Simples M-ITF-HKG-04A | 2019/01/02 05:00 | Gao, Xin v Jahn, Jeremy | 0-6,3-6 |
| 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 |