Stadium: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Gimcheon | 2019/06/19 06:10 | Minjong Park v Dong Ju Kim | 6-4,6-0 |
| ITF M15 Gimcheon | 2019/06/10 01:00 | Dong Ju Kim v Sung Jun Park | 3-6,4-6 |
| ITF M15 Daegu | 2019/06/06 03:25 | Seong Chan Hong v Dong Ju Kim | 6-3,6-2 |
| ITF M15 Daegu | 2019/06/04 05:05 | TaeWoo Koo v Dong Ju Kim | 2-6,1-6 |
| Challenger Seoul | 2019/04/29 06:15 | Dong Ju Kim v Jeamoon Lee | 2-6,2-6 |
| ITF Korea F5 | 2018/08/20 01:00 | Seoung Hun Lee v Dong Ju Kim | 6-1,6-1 |
| ITF Korea F5 | 2018/08/19 02:00 | Woobin Shin v Dong Ju Kim | 1-6,1-6 |
| ITF Korea F3 Qual | 2018/06/16 02:00 | Ilsang Yoon v Dong Ju Kim | 6-2,6-2 |
| ITF M15 Monastir | 2021/04/26 09:00 | Masamichi Imamura v Fabio Coelho | 3-6,0-6 |
| ITF M15 Monastir | 2021/04/25 12:30 | Bruno Nhavene v Masamichi Imamura | 2-6,7-6,7-10 |
| ITF M15 Monastir | 2021/04/18 13:00 | Masamichi Imamura v Kirill Mishkin | 2-6,6-2,12-14 |
| ITF M25 Matsuyama | 2019/04/12 02:35 | Masamichi Imamura v Naoki Tajima | 2-6,4-6 |
| ITF M25 Matsuyama | 2019/04/09 05:05 | Masamichi Imamura v Gengo Kikuchi | 7-6,6-1 |
| ITF M15 Kashiwa | 2019/04/03 04:50 | Masamichi Imamura v Mark Whitehouse | 3-6,4-6 |
| ITF M15 Tsukuba | 2019/03/27 02:25 | Jumpei Yamasaki v Masamichi Imamura | 6-1,4-6,6-4 |
| ITF M15 Kofu | 2019/03/21 05:20 | Sho Shimabukuro v Masamichi Imamura | 6-3,7-6 |