Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Gimcheon | 2019/06/18 05:45 | Uisung Park v Yong-Kyu Lim | 1-6,2-6 |
| ITF M15 Gimcheon | 2019/06/13 01:30 | Min-Kyu Song v Uisung Park | 6-4,1-6,6-4 |
| ITF M15 Gimcheon | 2019/06/12 02:25 | Young Seok Kim v Uisung Park | 4-6,2-6 |
| ITF M15 Daegu | 2019/06/08 01:00 | Uisung Park v Jung-Woong Na | 1-6,4-6 |
| ITF M15 Daegu | 2019/06/06 02:00 | Chanchai Sookton-Eng v Uisung Park | 3-6,2-6 |
| ITF M15 Daegu | 2019/06/04 04:35 | Uisung Park v Tae-Woo Lee | 6-2,6-3 |
| ITF M15 Cairo | 2019/05/01 12:35 | Uisung Park v Mathieu Perchicot | 2-6,6-3,3-6 |
| ITF M15 Cairo | 2019/04/25 08:00 | Jaroslav Pospisil v Uisung Park | 6-3,7-5 |
| ITF M15 Gimcheon | 2019/06/19 01:00 | Oh-Hee Kwon v Daisuke Sumizawa | 4-6,7-6,6-3 |
| ITF M15 Akishima | 2019/06/11 06:30 | Sho Shimabukuro v Daisuke Sumizawa | 6-4,6-3 |
| ITF M15 Karuizawa | 2019/05/30 01:00 | Daisuke Sumizawa v Soichiro Moritani | 2-6,6-4,6-7 |
| ITF M15 Karuizawa | 2019/05/28 01:00 | Daisuke Sumizawa v Yuichiro Inui | 6-4,7-6 |
| ITF M25 Luan | 2019/05/15 06:30 | Daisuke Sumizawa v Jie Cui | 4-6,2-6 |
| ITF M25 Luan | 2019/05/14 02:00 | Daisuke Sumizawa v Ruikai Wang | 6-4,6-3 |
| ITF M25 Wuhan | 2019/05/09 03:10 | Yan Bai v Daisuke Sumizawa | 6-3,6-1 |
| ITF M25 Wuhan | 2019/05/08 03:30 | Ray Ho v Daisuke Sumizawa | 6-7,3-6 |