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SeongChan HongPhoto: si.robi, CC BY-SA 2.0, via Wikimedia Commons (cropped)

TennisATPRight-handed

SeongChan Hong

South KoreaAge and results

SeongChan Hong is a tennis player on the ATP Tour who reached a career-high ranking of No. 139 on September 16, 2024.

5 ATP Tour matches

Updated

2026 record0-0Career highNo. 139Sep 16, 2024Agatha's record1-01 graded call since Oct 1, 2026

About SeongChan Hong

SeongChan Hong, a tennis player on the ATP Tour, was born on June 30, 1997, in Gangwondo, South Korea. He plays right-handed with a two-handed backhand. On September 16, 2024, Hong reached a career-high ATP Tour ranking of No. 139.

Agatha Research DeskUpdated Oct 15, 2026

Match history5

Every ATP Tour, Grand Slam and Olympic main-draw match in our records, newest first. A walkover is listed but never counted in a record.

2026: 1-3

DateTournamentRoundOpponentResultScoreSurface
Oct 5Shanghai MastersQualifying 1st RoundRei SakamotoL3-6, 5-7Hard
Aug 26US OpenQualifying 2nd RoundTristan SchoolkateL4-6, 6-7(6)Hard
Aug 25US OpenQualifying 1st RoundNikoloz BasilashviliW6-3, 7-6(1)Hard
Aug 11Cincinnati OpenQualifying 1st RoundChak Lam Coleman WongL4-6, 2-6Hard

How he is doing nowThrough Oct 5

2026 record0-0
Last 103-7LLWLLWLLWLNewest first. Two losses in a row.

Agatha on SeongChan Hong

Every graded call Agatha sealed on his matches since Oct 1, 2026, newest first. Each is 1 unit at its sealed price; the number opens its receipt.

Record1-0Units+0.27u1 graded call
DateMatchCallPriceResultUnitsReceipt
Oct 4vs Rei SakamotoPREDRei Sakamoto to win-370WON+0.27u#328

Career

  1. 2022First ATP matchLost to Kaichi Uchida, Eugene Korea Open
  2. 2024Career high No. 139Sep 16, 2024
  3. Aug 1, 2024Latest matchLost to Alex Michelsen, Mubadala DC Open

Honors

  • Asian Games bronze medal, singles, Hangzhou 2022
  • Asian Games bronze medal, doubles, Hangzhou 2022

First ATP match

Sep 26, 2022: lost to Kaichi Uchida 4-6, 2-6Eugene Korea Open, on hard

Latest match

Aug 1, 2024: lost to Alex Michelsen 3-6, 3-6Mubadala DC Open, Round 3, on hard court

Challenger and ITF finals

Challenger: 4 singles finals, 1 won. ITF: 19 singles finals, 14 won. From 2015 to 2024.

Singles

  1. L
    Apr 2024Runner-up at Busan, South Korea (hard), losing to Yasutaka Uchiyama 6-7(4-7), 3-6.
  2. L
    Feb 2024Runner-up at Bangalore, India (hard), losing to Stefano Napolitano 6-4, 3-6, 3-6.
  3. L
    Jan 2024Runner-up at Nonthaburi, Thailand (hard), losing to Matteo Gigante 4-6, 1-6.
  4. W
    Nov 2022Won the title at Matsuyama, Japan (hard), beating Wu Tung-lin 6-3, 6-2.
  5. W
    Jun 2022Won the title at M25 Tamuning, Guam (hard), beating Rio Noguchi 6-3, 6-2.
  6. L
    Jun 2022Runner-up at M25 Tamuning, Guam (hard), losing to Sho Shimabukuro 6-3, 4-6, 1-6.
  7. W
    Apr 2022Won the title at M15 Chiang Rai, Thailand (hard), beating Ly Hoang Nam 6-3, 3-6, 7-5.
  8. W
    Jul 2021Won the title at M15 Monastir, Tunisia (hard), beating Luca Giacomini 7-5, 6-3.
Show 15 more
  1. W
    Apr 2021Won the title at M15 Antalya, Turkey (clay), beating Sanjar Fayziev 6-1, 6-3.
  2. W
    Aug 2019Won the title at M15 Hua Hin, Thailand (hard), beating Dayne Kelly 7-5, 6-3.
  3. W
    Jun 2019Won the title at M15 Daegu, South Korea (hard), beating Na Jung-woong 6-0, 6-3.
  4. W
    Jun 2019Won the title at M15 Gimcheon, South Korea (hard), beating Yuta Shimizu 6-1, 5-7, 6-2.
  5. W
    Mar 2019Won the title at M15 Nishi-Tokyo, Japan (hard), beating Shuichi Sekiguchi 7-6(7-2), 6-4.
  6. W
    Mar 2018Won the title at Japan F3, Kofu (hard), beating Makoto Ochi 7-6, 6-1.
  7. L
    Jun 2017Runner-up at Korea F1, Sangju (hard), losing to Daniel Nguyen 4-6, 7-5, 2-6.
  8. L
    Sep 2016Runner-up at Thailand F2, Hua Hin (hard), losing to Sriram Balaji 4-6, 6-7(3-7).
  9. W
    Aug 2016Won the title at Vietnam F3, Thu Dau Mot (hard), beating Jacob Grills 6-1, 6-7(4-7), 6-0.
  10. W
    Jul 2016Won the title at Vietnam F1, Thu Dau Mot (hard), beating Rishab Agarwal 6-1, 6-2.
  11. W
    Feb 2016Won the title at Turkey F5, Antalya (hard), beating Roman Safiullin 6-2, 7-5.
  12. W
    Feb 2016Won the title at Turkey F6, Antalya (hard), beating Frederico Ferreira Silva 7-5, 6-4.
  13. W
    Feb 2016Won the title at Turkey F7, Antalya (hard), beating Dimitar Kuzmanov 6-4, 6-3.
  14. L
    Jan 2016Runner-up at Turkey F4, Antalya (hard), losing to Joris De Loore 4-6, 2-6.
  15. L
    Dec 2015Runner-up at Qatar F5, Doha (hard), losing to Joris De Loore 3-6, 2-6.

Most often against

The players he has met most in our records, with the head-to-head.

Alex Bolt2 meetings
1-1All square

Last: Jul 27, 2024, Mubadala DC Open Qualifying 1st Round, won

Yosuke Watanuki2 meetings
0-2Hong trails

Last: Oct 1, 2024, Shanghai Masters Qualifying Final, lost

Sources and updates

Results and schedules come from Agatha's own records of the ATP Tour.

Updated Nov 12, 2026, 7:21 AM ET. Results and form refresh after every match; biography facts are checked weekly.