Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Republic of Korea
17.05.95, 28 years
17.05.95, 28 years
Jumpei Yamasaki vs. Dukyoung Kim - head to head matches
| 18.08.18 | q 1 | Jumpei Yamasaki | Dukyoung Kim | 6-4, 6-4 | match details |  Korea F5 | Hard |
Jumpei Yamasaki form & Dukyoung Kim form
Jumpei Yamasaki - last matches
 M15 Kashiwa - Hard | ||||
| 01.04.24 qual. | vs. Hayato Matsuoka | 6-3, 3-6, 4-10 |  | match details |
| 31.03.24 q 1 | vs. Satoru Nakajima | 7-5, 6-0 |  | match details |
| M15 Tsukuba - Hard | ||||
| 25.03.24 qual. | vs. Ryotaro Matsumura | 5-7, 6-74 | | match details |
| 24.03.24 q 1 | vs. Taiyo Yamanaka | 6-3, 6-1 | | match details |
| M15 Nishi - Hard | ||||
| 19.03.24 qual. | vs. Taiyo Yamanaka | 5-7, 3-6 | | match details |
| 18.03.24 q 1 | vs. Issei Okamura | 6-2, 6-1 | | match details |
| M15 Hinode - Hard | ||||
| 11.03.24 q 2 | vs. Seiya Nakanishi | 5-7, 6-4, 8-10 | | match details |
| 10.03.24 q 1 | vs. Yuya Hirose | 6-1, 6-1 | | match details |
 M15 Nakhon - Hard | ||||
| 22.02.24 2nd round | vs. Nam Hoang Ly | 4-6, 2-6 | | match details |
| 21.02.24 1st round | vs. Leo Vithoontien | 7-5, 6-75, 6-0 | | match details |
| 19.02.24 qual. | vs. Corban Crowther | 7-5, 7-62 | | match details |
| 18.02.24 q 1 | vs. Anapat Timangkul | 6-2, 4-6, 10-2 | | match details |
| M15 Nakhon - Hard | ||||
| 12.02.24 qual. | vs. Krittin Koaykul | 4-6, 3-6 | | match details |
| 11.02.24 q 1 | vs. Suphawat Saeoui | 7-5, 5-2, Suphawat Saeoui - retired | | match details |
| M15 Yanagawa - Hard | ||||
| 30.12.23 1/2 | vs. Duckhee Lee | 1-6, 6-3, 1-6 | | match details |
| 29.12.23 1/4 | vs. Takuya Kumasaka | 6-1, 6-4 | | match details |
| 28.12.23 2nd round | vs. Yamato Sueoka | 7-5, 6-1 | | match details |
| 26.12.23 1st round | vs. Kazuki Nishiwaki | 6-3, 6-3 | | match details |
| M15 Yanagawa - Hard | ||||
| 22.12.23 2nd round | vs. Koki Matsuda | 6-1, 1-6, 6-3 | | match details |
| 22.12.23 1/4 | vs. Hikaru Shiraishi | 3-6, 4-6 | | match details |
| 21.12.23 1st round | vs. Shu Muto | 6-0, 6-2 | | match details |
 M25 Gold - Hard | ||||
| 30.11.23 2nd round | vs. Kody Pearson | 6-75, 6-74 | | match details |
| 29.11.23 1st round | vs. Nam Hoang Ly | 2-6, 6-4, 6-3 | | match details |
| M25 Brisbane - Hard | ||||
| 22.11.23 1st round | vs. Makoto Ochi | 6-72, 3-6 | | match details |
 M15 Kuching - Hard | ||||
| 16.11.23 1st round | vs. Thijmen Loof | 7-64, 7-65 | | match details |
| 16.11.23 2nd round | vs. Hikaru Shiraishi | 5-7, 1-6 | | match details |
| M25 Takasaki - Hard | ||||
| 20.09.23 1st round | vs. Sora Fukuda | 1-6, 6-2, 4-6 | | match details |
| M25 Sapporo - Hard | ||||
| 15.09.23 2nd round | vs. Shuichi Sekiguchi | 3-6, 5-7 | | match details |
| 13.09.23 1st round | vs. Toa Maeda | 6-0, 6-3 | | match details |
| M25 Sapporo - Hard | ||||
| 08.09.23 1/4 | vs. Shuichi Sekiguchi | 4-6, 3-6 | | match details |
Dukyoung Kim - last matches
| Korea F5 - Hard | ||||
| 18.08.18 q 1 | vs. Jumpei Yamasaki | 4-6, 4-6 | | match details |
| Korea F4 - Hard | ||||
| 11.08.18 q 1 | vs. Seunghun Shin | 3-6, 3-6 | | match details |
| Korea F3 - Hard | ||||
| 16.06.18 q 1 | vs. Seong Jae Han | 6-3, 4-6, 1-6 | | match details |
| Korea F2 - Hard | ||||
| 10.06.18 q 2 | vs. Ku Keon Kang | 2-6, 4-6 | | match details |
| 09.06.18 q 1 | vs. Seung Dong Kim | 6-2, 6-0 | | match details |
| Korea F1 - Hard | ||||
| 06.06.18 1st round | vs. Sang-Woo Noh | 4-6, 1-6 | | match details |
| Korea F3 - Hard | ||||
| 12.06.17 q 1 | vs. Jae-Won Choi | 6-4, 6-4 | | match details |
| 12.06.17 qual. | vs. Dong-Kyu Lee | 4-6, 1-6 | | match details |
| 12.06.17 q 2 | vs. Hyeong Don Kim | 6-1, 6-2 | | match details |
| Korea F2 - Hard | ||||
| 05.06.17 q 1 | vs. Sang-Yuop Kim | 3-6, 6-3, 4-6 | | match details |
| Korea F1 - Hard | ||||
| 29.05.17 q 2 | vs. Dong-Hak Sin | 6-3, 3-6, 1-6 | | match details |
| Korea F6 - Clay | ||||
| 22.08.16 q 1 | vs. Sanghoon Park | 6-4, 6-4 | | match details |
| 22.08.16 q 2 | vs. Sora Fukuda | 0-6, 1-6 | | match details |
| Korea F3 - Hard | ||||
| 27.06.16 q 1 | vs. Dylan Seong-Kwan Kim | 3-6, 2-6 | | match details |
| Busan Challenger - Hard | ||||
| 02.05.15 q 1 | vs. Ji Ha Kim | 5-7, 3-6 | | match details |
| Korea F7 - Hard | ||||
| 23.06.14 q 1 | vs. Hyeong Don Kim | 4-6, 3-6 | | match details |
| Korea F4 - Hard | ||||
| 02.06.14 q 1 | vs. Byeong-Mo An | 6-3, 6-1 | | match details |
| 02.06.14 1st round | vs. Ji Hoon Son | 1-6, 6-3, 3-6 | | match details |
| 02.06.14 q 2 | vs. Dohun Lim | 6-3, 6-4 | | match details |
| 02.06.14 qual. | vs. A-Ram Kim | 7-5, 6-4 | | match details |
| Korea F2 - Hard | ||||
| 28.04.14 q 1 | vs. Min-Kyu Song | 2-6, 6-3, 2-6 | | match details |
| Korea F1 - Hard | ||||
| 21.04.14 q 2 | vs. Hyun-Joon Kim | 6-72, 3-6 | | match details |
| 21.04.14 q 1 | vs. Soong-Jae Cho | 0-6, 6-4, 6-2 | | match details |
| Korea F7 - Hard | ||||
| 17.06.13 q 1 | vs. Dong-Hak Sin | 7-65, 7-66 | | match details |
| 17.06.13 1st round | vs. Liang-Chi Huang | 1-6, 1-6 | | match details |
| 17.06.13 qual. | vs. Seul-Ki Um | 1-6, 1-6 | | match details |
| 17.06.13 q 2 | vs. Sung Hun Kim | 6-3, 2-2, Sung Hun Kim - retired | | match details |
| Korea F6 - Hard | ||||
| 10.06.13 q 2 | vs. Hyung-Chan Lim | 3-6, 4-6 | | match details |
| 10.06.13 q 1 | vs. Lee Joohong | 6-1, 6-0 | | match details |
| Korea F4 - Hard | ||||
| 27.05.13 q 1 | vs. Hyeon Il Jung | 6-4, 3-6, 4-6 | | match details |