ITF M15 Antalya | 03/18 07:00 | 26 | Seong Chan Hong v Edoardo Lavagno | 6-1,6-4 | |
ITF M15 Antalya | 03/17 07:25 | 25 | Seong Chan Hong v Sergey Fomin | Retired | |
ITF M15 Antalya | 03/11 07:00 | 26 | Dragos Dima v Seong Chan Hong | 7-5,6-2 | |
ITF M15 Antalya | 03/10 07:00 | 25 | Seong Chan Hong v Nicholas D Ionel | 6-2,6-2 | |
ITF M15 Antalya | 03/04 07:00 | 26 | Oleksii Krutykh v Seong Chan Hong | 2-6,6-3,6-2 | |
ITF M15 Antalya | 03/03 12:20 | 25 | Seong Chan Hong v Taiyo Yamanaka | 3-6,6-4,6-2 | |
ITF M15 Changwon | 10/17 01:00 | 26 | Naoki Nakagawa v Seong Chan Hong | 6-4,7-6 | |
ITF M15 Changwon | 10/15 02:20 | 25 | Seungri Choi v Seong Chan Hong | 1-6,0-6 | |
ITF M15 Hua Hin | 09/01 02:00 | 28 | Ryan Peniston v Seong Chan Hong | 6-2,3-6,6-3 | |
ITF M15 Hua Hin | 08/30 03:00 | 27 | Seong Chan Hong v Yuanfeng Li | 6-1,6-2 | |
ITF M15 Hua Hin | 08/29 03:00 | 26 | Seong Chan Hong v George Loffhagen | 6-3,6-2 | |
ITF M15 Hua Hin | 08/28 03:00 | 25 | Seong Chan Hong v Taisei Ichikawa | 6-4,6-3 | |
ITF M15 Hua Hin | 08/25 04:00 | 29 | Seong Chan Hong v Dayne Kelly | 7-5,6-3 | |
ITF M15 Hua Hin | 08/24 04:50 | 28 | Ryan Peniston v Seong Chan Hong | 6-4,3-6,3-6 | |
ITF M15 Hua Hin | 08/23 04:00 | 27 | Seong Chan Hong v Chukang Wang | 6-1,6-4 | |
ITF M15 Hua Hin | 08/22 03:00 | 26 | Seong Chan Hong v Billy Harris | 6-3,6-0 | |
ITF M15 Hua Hin | 08/21 04:50 | 25 | Seong Chan Hong v Seita Watanabe | 6-1,6-2 | |
ITF M15 Gimcheon | 06/23 01:00 | 29 | Yuta Shimizu v Seong Chan Hong | 1-6,7-5,2-6 | |
ITF M15 Gimcheon | 06/22 02:25 | 28 | Seong Chan Hong v Ryota Tanuma | 6-3,6-0 | |
ITF M15 Gimcheon | 06/21 01:00 | 27 | Seong Chan Hong v Taisei Ichikawa | 6-1,6-3 | |
ITF M15 Gimcheon | 06/20 04:05 | 26 | Seong Chan Hong v Minjong Park | 6-7,6-2,6-3 | |
ITF M15 Gimcheon | 06/19 01:00 | 25 | Seong Chan Hong v Sung Hun Kim | 6-0,6-1 | |
ITF M15 Gimcheon | 06/14 02:00 | 27 | Yuta Shimizu v Seong Chan Hong | 6-1,6-1 | |
ITF M15 Gimcheon | 06/13 01:30 | 26 | Ken Onishi v Seong Chan Hong | 1-6,2-6 | |
ITF M15 Gimcheon | 06/12 01:00 | 25 | Wanseok Kang v Seong Chan Hong | 0-6,2-6 | |
ITF M15 Daegu | 06/09 03:25 | 29 | Jung-Woong Na v Seong Chan Hong | 0-6,3-6 | |
ITF M15 Daegu | 06/08 04:30 | 28 | Seong-Gook Oh v Seong Chan Hong | 1-6,2-6 | |
ITF M15 Daegu | 06/08 01:00 | 27 | Seong Chan Hong v Thomas Fancutt | Retired | |
ITF M15 Daegu | 06/06 03:25 | 26 | Seong Chan Hong v Dong Ju Kim | 6-3,6-2 | |
ITF M15 Daegu | 06/04 04:45 | 25 | Seong Chan Hong v Ju-Hae Moon | 6-1,6-3 |
Hong Seong-chan (born 30 June 1997) is a South Korean tennis player. Hong has a career high ATP singles ranking of world No. 172 achieved on 15 April 2024 and a doubles ranking of No. 359 achieved on 16 January 2023. He is the current Korean No. 1 singles player.
Since 2015, Hong has been a member of the South Korean Davis Cup team.
Hong reached the final of the 2015 Australian Open junior championships, falling to top seed Roman Safiullin in the final.
Hong had a career high junior ranking of No. 3.
He lifted his maiden trophy at the ATP 2022 Matsuyama Challenger.
He reached the last round of qualifying at the 2023 Rolex Shanghai Masters.
Ranked No. 227, he qualified for the 2024 BNP Paribas Open having entered the qualifying competition as an alternate after Yosuke Watanuki‘s withdrawal, making his Masters debut.