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
28.01.90, 35 years
28.01.90, 35 years
Seongchan Hong vs. Dae-Soung Oh - H2H matches
| 24.08.15 | 1st round | Seongchan Hong | Dae-Soung Oh | 4-6, 6-4, 7-5 | match details |  Korea F5 | Hard |
| 17.08.15 | 1st round | Seongchan Hong | Dae-Soung Oh | 6-0, 6-2 | match details | Korea F4 | Hard |
Seongchan Hong form & Dae-Soung Oh form
Seongchan Hong - last matches
 Shanghai - Hard | ||||
| 01.10.24 qual. | vs. Yosuke Watanuki | 2-6, 5-7 |  | match details |
| 30.09.24 q 1 | vs. Illya Marchenko | 7-65, 6-4 |  | match details |
| Chengdu - Hard | ||||
| 17.09.24 q 1 | vs. Alibek Kachmazov | 4-6, 1-6 | | match details |
 Davis Cup - I. hard | ||||
| 13.09.24 Rubber 1 | vs. Maks Kasnikowski | 7-68, 6-2 | | match details |
| Shanghai Challenger - Hard | ||||
| 04.09.24 2nd round | vs. Dalibor Svrcina | 5-7, 3-6 | | match details |
| 03.09.24 1st round | vs. Tung-Lin Wu | 6-72, 6-4, 6-4 | | match details |
 New York - Hard | ||||
| 21.08.24 q 2 | vs. Kyrian Jacquet | 6-4, 3-6, 5-7 | | match details |
| 19.08.24 q 1 | vs. Jozef Kovalik | 6-4, 6-76, 7-5 | | match details |
| Zhangjiagang Challenger - Hard | ||||
| 31.08.24 1/2 | vs. Yasutaka Uchiyama | 3-6, 7-66, 0-4, - Seongchan Hong - retired | | match details |
| 30.08.24 1/4 | vs. Fajing Sun | 5-7, 6-2, 6-2 | | match details |
| 29.08.24 2nd round | vs. Yan Bai | 6-2, 6-1 | | match details |
| 27.08.24 1st round | vs. Evgeny Donskoy | 4-6, 7-61, 6-2 | | match details |
| Cary Challenger - Hard | ||||
| 12.08.24 1st round | vs. Mattia Bellucci | 4-6, 2-6 | | match details |
| 11.08.24 qual. | vs. Valentin Royer | 6-4, 7-68 | | match details |
| 10.08.24 q 1 | vs. Alex Bolt | 6-1, 6-1 | | match details |
| Washington - Hard | ||||
| 01.08.24 3rd round | vs. Alex Michelsen | 3-6, 3-6 | | match details |
| 31.07.24 2nd round | vs. Karen Khachanov | 6-2, 6-4 | | match details |
| 29.07.24 1st round | vs. Adam Walton | 7-66, 7-64 | | match details |
| 28.07.24 qual. | vs. Paul Jubb | 6-4, 7-5 | | match details |
| 27.07.24 q 1 | vs. Alex Bolt | 6-4, 6-4 | | match details |
| Chicago Challenger - Hard | ||||
| 26.07.24 1/4 | vs. Learner Tien | 3-6, 1-6 | | match details |
| 24.07.24 2nd round | vs. Charles Broom | 6-3, 6-74, 6-4 | | match details |
| 22.07.24 1st round | vs. Alex Bolt | 6-4, 6-3 | | match details |
| Newport - Grass | ||||
| 14.07.24 q 1 | vs. Alex Bolt | 4-6, 3-6 | | match details |
 Winnipeg Challenger - Hard | ||||
| 08.07.24 1st round | vs. Yuta Shimizu | 2-6, 5-7 | | match details |
 London - Grass | ||||
| 24.06.24 q 1 | vs. Pierre-Hugues Herbert | 3-6, 2-6 | | match details |
| Tyler Challenger - Hard | ||||
| 07.06.24 1/4 | vs. Liam Draxl | 2-6, 2-6 | | match details |
| 06.06.24 2nd round | vs. Ernesto Escobedo | 3-6, 6-4, 6-2 | | match details |
| 04.06.24 1st round | vs. Andres Andrade | 6-2, 2-6, 7-61 | | match details |
 Paris - Clay | ||||
| 20.05.24 q 1 | vs. Enzo Couacaud | 7-67, 2-6, 1-6 | | match details |
Dae-Soung Oh - last matches
| Korea F6 - Clay | ||||
| 23.08.16 1st round | vs. Min-Hyoek Cho | 6-2, 3-6, 4-6 | | match details |
| Korea F5 - Hard | ||||
| 11.07.16 q 1 | vs. Ji Ha Kim | 2-6, 4-6 | | match details |
| Korea F4 - Hard | ||||
| 04.07.16 1st round | vs. Ji Sung Nam | 1-6, 1-6 | | match details |
| 04.07.16 q 2 | vs. Dae-Young Kim | 6-3, 6-1 | | match details |
| 04.07.16 qual. | vs. Young-Hoon Jeong | 6-2, 6-4 | | match details |
| 04.07.16 q 1 | vs. Brian Boggs | 6-4, 6-2 | | match details |
| Korea F1 - Hard | ||||
| 13.06.16 q 1 | vs. Byeonghun Kim | 6-1, 6-4 | | match details |
| 13.06.16 q 2 | vs. Hyun Woo Cho | 6-0, 7-64 | | match details |
| 13.06.16 qual. | vs. Dylan Seong-Kwan Kim | 3-6, 3-6 | | match details |
| USA F5 - Clay | ||||
| 25.01.16 q 1 | vs. Rafael Gentil | 7-5, 6-2 | | match details |
| 25.01.16 q 2 | vs. Hunter Callahan | 6-73, 4-6 | | match details |
| 25.01.16 | vs. Frederick Saba | 7-62, 6-4 | | match details |
| USA F4 - Clay | ||||
| 21.01.16 2nd round | vs. Tommy Paul | 3-6, 5-7 | | match details |
| 20.01.16 1st round | vs. Alejandro Tabilo | 6-2, 3-6, 7-62 | | match details |
| 18.01.16 qual. | vs. Michael Grant | 0-6, 6-3, 6-4 | | match details |
| 18.01.16 | vs. Aleksi Tuukkanen | 6-2, 6-1 | | match details |
| 18.01.16 q 1 | vs. John Jorgeson | 1-6, 6-2, 6-3 | | match details |
| 18.01.16 q 2 | vs. Piers Farhang | 6-1, 6-4 | | match details |
| USA F3 - Clay | ||||
| 11.01.16 | vs. Patricio Hernandez-Pons | 6-0, 6-1 | | match details |
| 11.01.16 q 1 | vs. Alexandre Rotsaert | 6-4, 6-3 | | match details |
| 11.01.16 q 2 | vs. Joel Link | 6-72, 6-4, 3-6 | | match details |
| Korea F5 - Hard | ||||
| 24.08.15 1st round | vs. Seongchan Hong | 6-4, 4-6, 5-7 | | match details |
| Korea F4 - Hard | ||||
| 17.08.15 qual. | vs. Dong-Hak Sin | 2-6, 6-3, 6-2 | | match details |
| 17.08.15 1st round | vs. Seongchan Hong | 0-6, 2-6 | | match details |
| 17.08.15 q 1 | vs. Soong-Jae Cho | 6-3, 6-3 | | match details |
| 17.08.15 q 2 | vs. Dong-Kyu Lee | 6-2, 6-3 | | match details |
| Korea F3 - Hard | ||||
| 10.08.15 qual. | vs. Tae Wan Kim | 6-1, 6-1 | | match details |
| 10.08.15 q 1 | vs. Byung-Kook Kang | 6-2, Byung-Kook Kang - retired | | match details |
| 10.08.15 q 2 | vs. Geon Ju Shin | 6-1, 6-2 | | match details |
| 10.08.15 1st round | vs. Jung-Woong Na | 2-6, 6-2, 6-72 | | match details |
