|
| SF | 2022 M15 Anseong, Wk. 33 | Clay | W | Minsoo Kim | | [H2H] |
| QF | 2022 M15 Anseong, Wk. 33 | Clay | W | Jun Ha Hyun | 6-1 6-0 | [H2H] |
|
| QF | 2019 M15 Nonthaburi, Wk. 48 | Hard | L | Ji Sung Nam | 6-2 6-1 | [H2H] |
| R16 | 2019 M15 Nonthaburi, Wk. 48 | Hard | W | Makoto Ochi | 6-4 6-1 | [H2H] |
| R32 | 2019 M15 Nonthaburi, Wk. 48 | Hard | W | Kuan-Yi Lee | 7-6(1) 6-4 | [H2H] |
|
| R16 | 2019 M15 Changwon, Wk. 42 | Hard | L | Sanhui Shin | 7-6(4) 6-3 | [H2H] |
| R32 | 2019 M15 Changwon, Wk. 42 | Hard | W | Geun Jun Kim | 6-4 6-3 | [H2H] |
|
| R32 | 2019 M15 Hua Hin, Wk. 36 | Hard | L | Kelsey Stevenson | 6-1 6-1 | [H2H] |
|
| R32 | 2019 M15 Hua Hin, Wk. 35 | Hard | L | Hao Wu | 3-6 6-0 6-2 | [H2H] |
|
| R64 | 2019 Yokkaichi Challenger | Hard | L | Kento Takeuchi | 6-4 6-3 | [H2H] |
|
| R32 | 2019 M25 Taipei, Wk. 30 | Hard | L | Cheng-Yu Yu | 6-3 5-7 6-4 | [H2H] |
|
| QF | 2019 M25 Taipei, Wk. 29 | Hard | L | Yan Bai | 6-1 6-2 | [H2H] |
| R16 | 2019 M25 Taipei, Wk. 29 | Hard | W | Ray Ho | 7-6(5) 6-1 | [H2H] |
| R32 | 2019 M25 Taipei, Wk. 29 | Hard | W | Hong Kit Wong | 6-3 6-1 | [H2H] |
|
| R32 | 2019 M15 Gimcheon, Wk. 24 | Hard | L | Artur Shakhnubaryan | 7-6(7) 2-6 6-0 | [H2H] |
|
| QF | 2019 M15 Daegu, Wk. 23 | Hard | L | Cheong-Eui Kim | 6-3 5-7 6-2 | [H2H] |
| R16 | 2019 M15 Daegu, Wk. 23 | Hard | W | Jun Sang Park | 3-6 6-1 6-3 | [H2H] |
| R32 | 2019 M15 Daegu, Wk. 23 | Hard | W | Sung Hun Kim | 6-2 6-3 | [H2H] |
|
| SF | 2019 M15 Karuizawa, Wk. 22 | Clay | L | Yuki Mochizuki | 5-7 6-3 6-4 | [H2H] |
| QF | 2019 M15 Karuizawa, Wk. 22 | Clay | W | Gengo Kikuchi | 4-6 6-4 6-0 | [H2H] |
| R16 | 2019 M15 Karuizawa, Wk. 22 | Clay | W | Hayato Kudo | 6-1 6-1 | [H2H] |
| R32 | 2019 M15 Karuizawa, Wk. 22 | Clay | W | len Schouten | 6-0 7-5 | [H2H] |
|
| R32 | 2019 M25 Wuhan, Wk. 19 | Hard | L | Shuichi Sekiguchi | 2-6 6-3 4-0 ret. | [H2H] |
|
| QF | 2019 M15 Wuhan, Wk. 18 | Hard | L | Kuan-Yi Lee | 6-0 6-3 | [H2H] |
| R16 | 2019 M15 Wuhan, Wk. 18 | Hard | W | Kazuki Nishiwaki | 6-2 6-1 | [H2H] |
| R32 | 2019 M15 Wuhan, Wk. 18 | Hard | W | Hanyi Liu | 6-4 6-2 | [H2H] |
|
| R32 | 2019 M25 Matsuyama, Wk. 15 | Hard | L | Cheong-Eui Kim | 3-6 6-2 6-3 | [H2H] |
|
| R32 | 2019 M15 Kashiwa, Wk. 14 | Hard | L | Shinji Hazawa | 6-1 5-7 6-1 | [H2H] |
|
| R32 | 2019 M15 Nishi-Tokyo, Wk. 11 | Hard | L | Hiroyasu Ehara | 6-3 5-7 6-1 | [H2H] |
|
| R16 | 2019 M15 Nishi-Tama, Wk. 10 | Hard | L | Naoki Tajima | 6-2 3-0 ret. | [H2H] |
