Stadium: Court 5 Round: 27 Ground: Hardcourt outdoor
| ITF China F5 | 2018/05/10 03:00 | Cheong-Eui Kim v Jumpei Yamasaki | 2-6,5-7 |
| Challenger Zhangjiagang | 2019/03/18 03:35 | Evgeny Karlovskiy v Cheong-Eui Kim | 6-2,7-5 |
| Challenger Yokohama | 2019/02/27 05:50 | Go Soeda v Cheong-Eui Kim | 6-1,6-4 |
| Challenger Yokohama | 2019/02/26 01:00 | Cheong-Eui Kim v Naoto Kai | 6-1,6-3 |
| Challenger Yokohama | 2019/02/25 01:00 | Cheong-Eui Kim v Shintaro Imai | 6-1,7-5 |
| ITF M15 Sharm El Sheikh | 2019/02/21 08:00 | Cheong-Eui Kim v Filip Bergevi | 6-1,6-7,4-6 |
| ITF M15 Sharm El Sheikh | 2019/02/20 08:00 | Cheong-Eui Kim v Claudio Fortuna | 7-6,6-4 |
| ITF M15 Sharm El Sheikh | 2019/02/16 09:45 | Tung-Lin Wu v Cheong-Eui Kim | 6-4,4-6,6-4 |
| ITF M15 Sharm El Sheikh | 2019/02/15 08:00 | Cheong-Eui Kim v Vladyslav Manafov | 6-4,6-2 |
| ITF M15 Nishi-Tokyo | 2019/03/14 01:00 | Shintaro Imai v Jumpei Yamasaki | 3-6,6-3,6-3 |
| ITF M15 Nishi-Tokyo | 2019/03/13 02:20 | Jumpei Yamasaki v Michael Look | 6-4,2-6,6-2 |
| ITF M15 Nishi-Tama | 2019/03/09 01:00 | Jumpei Yamasaki v Ji Sung Nam | 2-6,1-6 |
| ITF M15 Nishi-Tama | 2019/03/08 06:50 | Seong Chan Hong v Jumpei Yamasaki | 6-3,6-7,2-6 |
| ITF M15 Nishi-Tama | 2019/03/08 02:30 | Gengo Kikuchi v Jumpei Yamasaki | 6-7,6-4,3-6 |
| ITF M15 Nishi-Tama | 2019/03/06 02:30 | Jumpei Yamasaki v Blake Ellis | 7-5,6-4 |
| ITF M15 Claremont | 2019/02/07 18:00 | Jenson Brooksby v Jumpei Yamasaki | 6-2,6-1 |
| ITF M15 Claremont | 2019/02/06 18:00 | Dusty H. Boyer v Jumpei Yamasaki | 6-4,3-6,6-7 |