Hong Seong-chan

Hong Seong-chan
Hong at the 2023 French Open
Country (sports)South Korea
ResidenceGangwondo, South Korea
Born (1997-06-30) 30 June 1997
Gangwondo, South Korea
Height1.75 m (5 ft 9 in)
PlaysRight-handed (two handed-backhand)
Prize money$405,209
Singles
Career record6–18
Career titles0
Highest rankingNo. 139 (16 September 2024)
Current rankingNo. 141 (23 September 2024)
Grand Slam singles results
French OpenQ1 (2023, 2024)
WimbledonQ1 (2023, 2024)
US OpenQ2 (2023, 2024)
Doubles
Career record0–2
Career titles0
Highest rankingNo. 359 (16 January 2023)
Current rankingNo. 1022 (9 September 2024)
Medal record
Men's tennis
Representing  South Korea
Asian Games
2022 HangzhouSingles
2022 HangzhouDoubles
Last updated on: 9 September 2024.
Hong Seong-chan
Hangul
홍성찬
Revised RomanizationHong Seongchan
McCune–ReischauerHong Sŏngch'an

Hong Seong-chan (born 30 June 1997) is a South Korean tennis player. Hong has a career high ATP singles ranking of world No. 141 achieved on 9 September 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.