Republic of Korea
26.02.92, 33 years
26.02.92, 33 years
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
29.09.89, 35 years
12415 $
29.09.89, 35 years
12415 $
Dong-Hak Sin vs. Jae-Won Choi - head to head matches
| 05.09.16 | q 1 | Dong-Hak Sin | Jae-Won Choi | 6-4, 7-5 | match details |  Korea F8 | Clay |
| 25.05.15 | q 1 | Jae-Won Choi | Dong-Hak Sin | 6-2, 6-1 | match details | Korea F2 | Hard |
Dong-Hak Sin form & Jae-Won Choi form
Dong-Hak Sin - last matches
| Korea F6 - Clay | ||||
| 30.08.18 2nd round | vs. Min-Kyu Song | 7-65, 2-6, 4-6 |  | match details |
| 28.08.18 1st round | vs. Geun Jun Kim | 6-2, 6-3 |  | match details |
| Korea F5 - Hard | ||||
| 18.08.18 q 1 | vs. Sung Hun Kim | 5-7, 1-6 | | match details |
| Gwangju Challenger - Hard | ||||
| 14.08.18 1st round | vs. Maverick Banes | 2-6, 1-6 | | match details |
| Korea F2 - Hard | ||||
| 10.06.18 q 2 | vs. Jin Sung Han | 6-72, 6-4, 6-74 | | match details |
| Korea F1 - Hard | ||||
| 06.06.18 2nd round | vs. Cheong-Eui Kim | 1-6, 2-6 | | match details |
| 05.06.18 1st round | vs. Ju-Hae Moon | 6-1, 6-4 | | match details |
| 03.06.18 q 2 | vs. Woo Hyeok Jang | 6-1, 6-2 | | match details |
| 03.06.18 qual. | vs. Jun Sang Park | 6-2, 6-3 | | match details |
| Gwangju Challenger - Hard | ||||
| 19.09.17 1st round | vs. Matthew Ebden | 5-7, 3-6 | | match details |
| Korea F5 - Clay | ||||
| 28.06.17 1st round | vs. Seongchan Hong | 5-7, 3-6 | | match details |
| 26.06.17 q 2 | vs. Geon Ju Shin | 7-5, 6-3 | | match details |
| 26.06.17 qual. | vs. Woo-Ram Kim | 6-2, 3-6, 7-5 | | match details |
| 26.06.17 q 1 | vs. Wonseok Lee | 6-1, 6-1 | | match details |
| Korea F4 - Hard | ||||
| 20.06.17 1st round | vs. Min-Hyoek Cho | 4-6, 0-6 | | match details |
| 19.06.17 q 2 | vs. Jun Su Kim | 6-3, 6-3 | | match details |
| 19.06.17 qual. | vs. Byeonghun Kim | 6-3, 6-1 | | match details |
| Korea F3 - Hard | ||||
| 12.06.17 q 1 | vs. Young-Hoon Jeong | 2-6, 1-6 | | match details |
| Korea F2 - Hard | ||||
| 09.06.17 1/4 | vs. Cheong-Eui Kim | 4-6, 3-6 | | match details |
| 08.06.17 2nd round | vs. Dylan Seong-Kwan Kim | 6-4, 6-76, 7-5 | | match details |
| 07.06.17 1st round | vs. Jui-Chen Hung | 2-6, 6-4, 7-5 | | match details |
| 05.06.17 q 2 | vs. Ivan Kalinin | 6-2, 6-2 | | match details |
| 05.06.17 qual. | vs. Jun Sang Park | 7-5, 2-6, 6-0 | | match details |
| 05.06.17 q 1 | vs. Jung Nyeon Kim | 6-3, 6-4 | | match details |
| Korea F1 - Hard | ||||
| 01.06.17 2nd round | vs. Cheong-Eui Kim | 3-6, 5-7 | | match details |
| 31.05.17 1st round | vs. Sung Jun Park | 4-6, 6-2, 6-3 | | match details |
| 29.05.17 qual. | vs. Seongbin Sim | 6-3, 6-0 | | match details |
| 29.05.17 q 1 | vs. Hyeong Jin Cho | 6-3, 6-4 | | match details |
| 29.05.17 q 2 | vs. Dukyoung Kim | 3-6, 6-3, 6-1 | | match details |
| Korea F8 - Clay | ||||
| 05.09.16 q 2 | vs. Masaki Sasai | 2-6, 1-6 | | match details |
Jae-Won Choi - last matches
| M15 Gimcheon - Hard | ||||
| 18.06.19 qual. | vs. Yeongseok Jeong | 4-6, 6-4, 4-10 | | match details |
| 17.06.19 q 1 | vs. Winter Meagher | 7-60, 5-7, 10-6 | | match details |
| M15 Gimcheon - Hard | ||||
| 10.06.19 q 1 | vs. Hyun Sik Go | 4-6, 6-3, 2-10 | | match details |
| Korea F4 - Hard | ||||
| 16.08.18 2nd round | vs. Mousheg Hovhannisyan | 5-7, - Jae-Won Choi - retired | | match details |
| 12.08.18 1st round | vs. Sung Hun Kim | 6-4, 7-64 | | match details |
| Korea F2 - Hard | ||||
| 12.06.18 1st round | vs. Cheong-Eui Kim | 2-6, 4-6 | | match details |
| Korea F1 - Hard | ||||
| 06.06.18 2nd round | vs. Hong Chung | 6-2, 4-6, 5-7 | | match details |
| 04.06.18 1st round | vs. Seong-Gook Oh | 6-1, 7-5 | | match details |
| Korea F4 - Hard | ||||
| 20.06.17 1st round | vs. Jea Moon Lee | 1-6, 3-6 | | match details |
| Korea F3 - Hard | ||||
| 12.06.17 q 1 | vs. Dukyoung Kim | 4-6, 4-6 | | match details |
| Korea F2 - Hard | ||||
| 05.06.17 1st round | vs. Hong Chung | 2-6, 0-6 | | match details |
| Korea F1 - Hard | ||||
| 01.06.17 2nd round | vs. Seongchan Hong | 3-6, 2-6 | | match details |
| 30.05.17 1st round | vs. Seungri Choi | 6-3, 6-1 | | match details |
| Korea F8 - Clay | ||||
| 05.09.16 q 1 | vs. Dong-Hak Sin | 4-6, 5-7 | | match details |
| Korea F7 - Clay | ||||
| 30.08.16 1st round | vs. Katsuki Nagao | 3-6, 6-75 | | match details |
| 29.08.16 q 1 | vs. Chanhoe Ahn | 6-0, 6-0 | | match details |
| 29.08.16 q 2 | vs. Sora Fukuda | 6-4, 3-2, Sora Fukuda - retired | | match details |
| 29.08.16 qual. | vs. Chan-Yeong Oh | 6-3, 6-1 | | match details |
| Korea F5 - Hard | ||||
| 11.07.16 q 2 | vs. Seong Jae Han | 3-6, - Jae-Won Choi - retired | | match details |
| 11.07.16 q 1 | vs. Hyun-Joon Kim | 3-0, Hyun-Joon Kim - retired | | match details |
| Korea F4 - Hard | ||||
| 04.07.16 q 1 | vs. Dae-Young Kim | 6-72, - Jae-Won Choi - retired | | match details |
| Korea F2 - Hard | ||||
| 20.06.16 q 1 | vs. Jin-Won Jeong | 6-4, 2-5, - Jae-Won Choi - retired | | match details |
| Korea F1 - Hard | ||||
| 13.06.16 q 1 | vs. Yu-Seob Kim | 6-2, 6-3 | | match details |
| 13.06.16 q 2 | vs. Jin Sung Han | 6-1, 6-3 | | match details |
| 13.06.16 qual. | vs. Jea Moon Lee | 7-62, 3-6, 2-6 | | match details |
| Korea F5 - Hard | ||||
| 24.08.15 qual. | vs. Ho-Min Kang | 6-73, 1-6 | | match details |
| 24.08.15 q 1 | vs. Seung Min Lee (1999) | 6-0, 6-1 | | match details |
| 24.08.15 q 2 | vs. Geon Ju Shin | 6-2, 6-3 | | match details |
| Korea F4 - Hard | ||||
| 17.08.15 q 1 | vs. Hyeon Il Jung | 4-6, 6-79 | | match details |
| Korea F3 - Hard | ||||
| 10.08.15 q 2 | vs. Sun-Yong Kim | 6-1, 7-63 | | match details |
