Stadium: Court 14 Round: 27 Ground: Hardcourt outdoor
| ITF Malaysia F2 | 2018/07/13 03:00 | Ryota Tanuma v Cheong-Eui Kim | 7-6,2-6,6-3 |
| ITF M15 Gimcheon | 2019/06/20 01:00 | Ryota Tanuma v Yong-Kyu Lim | 3-6,7-6,6-4 |
| ITF M15 Gimcheon | 2019/06/18 03:00 | Ryota Tanuma v Jaewoo Kim | 6-1,6-3 |
| ITF M15 Singapore | 2019/06/07 08:30 | Dayne Kelly v Ryota Tanuma | 6-3,6-4 |
| ITF M15 Singapore | 2019/06/06 09:00 | Abhinav Sanjeev Shanmugam v Ryota Tanuma | 3-6,6-3,2-6 |
| ITF M15 Singapore | 2019/06/04 02:00 | Siddhant Banthia v Ryota Tanuma | 2-6,6-4,1-6 |
| ITF M15 Singapore | 2019/06/01 03:00 | Maksim Tikhomirov v Ryota Tanuma | 7-5,6-3 |
| ITF M15 Singapore | 2019/05/31 02:00 | Ryota Tanuma v Manish Sureshkumar | 6-4,4-6,6-3 |
| ITF M15 Singapore | 2019/05/28 02:00 | Ryota Tanuma v Dusty H. Boyer | 6-4,6-1 |
| ITF M15 Gimcheon | 2019/06/20 02:50 | Oh-Hee Kwon v Cheong-Eui Kim | 3-6,6-3,2-6 |
| ITF M15 Gimcheon | 2019/06/18 03:50 | Jin Sung Han v Cheong-Eui Kim | 6-4,4-6,1-6 |
| ITF M15 Gimcheon | 2019/06/12 04:05 | Jung-Woong Na v Cheong-Eui Kim | 6-2,6-2 |
| ITF M15 Daegu | 2019/06/08 05:30 | Cheong-Eui Kim v Jung-Woong Na | 2-6,1-6 |
| ITF M15 Daegu | 2019/06/08 01:00 | Cheong-Eui Kim v Sora Fukuda | 6-3,5-7,6-2 |
| ITF M15 Daegu | 2019/06/06 02:00 | Cheong-Eui Kim v Oh-Hee Kwon | 4-6,6-3,6-0 |
| ITF M15 Daegu | 2019/06/05 03:45 | Cheong-Eui Kim v Minjong Park | 6-4,6-3 |
| Challenger Gwangju | 2019/05/14 02:00 | Akira Santillan v Cheong-Eui Kim | 6-4,6-1 |