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
22.03.93, 32 years
22.03.93, 32 years
Hiromasa Oku vs. Youngkyun Chae - H2H matches
| 28.04.14 | q 1 | Hiromasa Oku | Youngkyun Chae | 6-3, 6-3 | match details |  Korea F2 | Hard |
Hiromasa Oku form & Youngkyun Chae form
Hiromasa Oku - last matches
 Japan F8 - Carpet | ||||
| 12.06.17 q 1 | vs. So Hanatani | 6-4, 6-4 |  | match details |
| 12.06.17 qual. | vs. Yohei Ono | 3-6, 3-6 |  | match details |
| 12.06.17 q 2 | vs. Kodai Hirayama | 6-0, 6-2 | | match details |
| Japan F7 - Hard | ||||
| 05.06.17 q 1 | vs. Tomohiro Masabayashi | 2-6, 5-7 | | match details |
| Japan F6 - Clay | ||||
| 30.05.17 1st round | vs. Tung-Lin Wu | 1-6, 2-6 | | match details |
| Japan F5 - Hard | ||||
| 03.04.17 q 1 | vs. Keisuke Yagi | 6-4, 6-1 | | match details |
| 03.04.17 qual. | vs. Naoki Tajima | 1-6, 0-6 | | match details |
| Japan F4 - Hard | ||||
| 27.03.17 q 1 | vs. Masaki Osafune | 1-6, 0-6 | | match details |
| Japan F3 - Hard | ||||
| 20.03.17 q 1 | vs. Yuga Tashiro | 3-6, 2-6 | | match details |
| Korea F8 - Clay | ||||
| 06.09.16 1st round | vs. Young Seok Kim | 0-6, 2-6 | | match details |
| Korea F7 - Clay | ||||
| 30.08.16 1st round | vs. Jea Moon Lee | 3-6, 6-73 | | match details |
| Korea F6 - Clay | ||||
| 22.08.16 1st round | vs. Jung-Woong Na | 6-4, 1-6, 0-6 | | match details |
 Vietnam F2 - Hard | ||||
| 01.08.16 q 2 | vs. Ansu Bhuyan | 5-7, 6-4, 7-5 | | match details |
| 01.08.16 qual. | vs. Sora Fukuda | 2-6, 3-6 | | match details |
| Vietnam F1 - Hard | ||||
| 25.07.16 1st round | vs. Kento Takeuchi | 2-6, 2-6 | | match details |
| Japan F8 - Carpet | ||||
| 15.06.16 1st round | vs. Kazuki Nishiwaki | 6-2, 3-6, 4-6 | | match details |
| Japan F7 - Hard | ||||
| 07.06.16 1st round | vs. Sho Katayama | 1-6, 2-6 | | match details |
| Japan F6 - Clay | ||||
| 01.06.16 2nd round | vs. Yuuya Kibi | 3-6, 2-6 | | match details |
| 31.05.16 1st round | vs. Takuto Niki | 6-2, 6-3 | | match details |
 Guam F1 - Hard | ||||
| 24.05.16 1st round | vs. Shunrou Takeshima | 3-6, 2-6 | | match details |
 Turkey F19 - Hard | ||||
| 13.05.16 1/4 | vs. Marc Sieber | 0-6, 3-6 | | match details |
| 12.05.16 2nd round | vs. Mikelis Libietis | 6-1, Mikelis Libietis - retired | | match details |
| 11.05.16 1st round | vs. Thomas Statzberger | 6-3, 6-4 | | match details |
| Turkey F18 - Hard | ||||
| 04.05.16 1st round | vs. Anil Yuksel | 3-6, 2-6 | | match details |
| Turkey F17 - Hard | ||||
| 26.04.16 1st round | vs. Altug Celikbilek | 4-6, 6-2, 6-74 | | match details |
| Japan F5 - Hard | ||||
| 07.04.16 2nd round | vs. Yuuya Kibi | 2-6, 4-6 | | match details |
| 05.04.16 1st round | vs. Katsuki Nagao | 7-60, 5-7, 6-1 | | match details |
| Japan F4 - Hard | ||||
| 30.03.16 1st round | vs. Masato Shiga | 4-6, 3-6 | | match details |
| Japan F3 - Hard | ||||
| 21.03.16 q 2 | vs. Ko Suzuki | 5-7, 7-66, 7-5 | | match details |
| 21.03.16 qual. | vs. Gengo Kikuchi | 2-6, 1-6 | | match details |
Youngkyun Chae - last matches
| Korea F2 - Hard | ||||
| 28.04.14 q 1 | vs. Hiromasa Oku | 3-6, 3-6 | | match details |
| Korea F1 - Hard | ||||
| 21.04.14 q 2 | vs. A-Ram Kim | 0-6, 0-6 | | match details |
| 21.04.14 q 1 | vs. Sa-Rang Kang | 6-2, 6-4 | | match details |
| Korea F2 - Hard | ||||
| 06.05.13 q 1 | vs. Yeon-Woo Jeong | 2-6, 1-6 | | match details |
