Player data updated: 2026-10-17 16:37 UTC

Seongchan Hong

KOR Age 29 175 cm / 5'9" Plays: Right-Handed ATP Tour years active: 2022–2024

Seongchan Hong represented South Korea on the ATP Tour and reached a career high of No. 139. TennisDB's records show a singles record of 2–3 and no singles titles.

Peak singles rank

139 (Sep 16, 2024)

Elo peak

1576 (26th percentile)

Singles record

2–3 (40.0%)

Singles titles

Prize money

$518,368

Records cover recorded main-draw singles results in TennisDB's ATP event archive, including credited walkovers; qualifying is shown separately below.

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ATP Matches full match log →

Seongchan Hong's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Rei Sakamoto #137	3-6 5-7	L	H2H	Match data	Oct 5, 2026	Q1 Q	Shanghai Masters	Masters 1000	Hard
Tristan Schoolkate #180	4-6 6-7(6)	L	H2H	Match data	Aug 27, 2026	Q2 Q	US Open	Grand Slam	Hard
Nikoloz Basilashvili #132	6-3 7-6(1)	W	H2H	Match data	Aug 26, 2026	Q1 Q	US Open	Grand Slam	Hard
Coleman Wong #93	4-6 2-6	L	H2H	Match data	Aug 11, 2026	Q1 Q	Cincinnati Open	Masters 1000	Hard
Yosuke Watanuki #336	2-6 5-7	L	H2H	Match data	Oct 3, 2024*	Q2 Q	Shanghai Masters	Masters 1000	Hard

Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.

Rivals all rivalries →

Seongchan Hong's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Alex Michelsen	0	1	1	Aug 2, 2024	H2H
Karen Khachanov	1	0	1	Aug 1, 2024	H2H
Adam Walton	1	0	1	Jul 31, 2024	H2H
Jakub Mensik	0	1	1	Mar 8, 2024	H2H
Kaichi Uchida	0	1	1	Sep 29, 2022	H2H

Career Results

Seongchan Hong career results by season
Season	Age	Type	W	L	M	Win %	Start Rank	End Rank
2022	25	ATP	0	1	1	0.0%	612	252
2023	26	Qualifying Q	2	5	7	28.6%	—	—
2024	27	Qualifying Q	6	6	12	50.0%	—	—
2024	27	ATP	2	2	4	50.0%	273	150
2026	29	Qualifying Q	1	3	4	25.0%	—	—
Career		—	2	3	5	40.0%	—	—

Career Results by Surface

Seongchan Hong career results by season and surface
Season	Age	Type	Hard				Clay				Grass				Total
Season	Age	Type	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
2022	25	ATP	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%
2023	26	Qualifying Q	2	2	4	50.0%	0	2	2	0.0%	0	1	1	0.0%	2	5	7	28.6%
2024	27	Qualifying Q	6	3	9	66.7%	0	1	1	0.0%	0	2	2	0.0%	6	6	12	50.0%
2024	27	ATP	2	2	4	50.0%	—	—	—	—	—	—	—	—	2	2	4	50.0%
2026	29	Qualifying Q	1	3	4	25.0%	—	—	—	—	—	—	—	—	1	3	4	25.0%
Career	—	—	2	3	5	40.0%	—	—	—	—	—	—	—	—	2	3	5	40.0%

Career Results by Opponent Rank

Seongchan Hong career results by season and opponent rank
Season	Age	1-10				11-30				31-100				100+				Total
Season	Age	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
2022	25	0	0	—	—	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	1	1	0.0%
2024	27	0	0	—	—	1	0	1	100.0%	1	2	3	33.3%	0	0	—	—	2	2	4	50.0%
Career		0	0	—	—	1	0	1	100.0%	1	2	3	33.3%	0	1	1	0.0%	2	3	5	40.0%

Performance Stats

Seongchan Hong performance statistics by season
Season	Age	Sample	Aces/M	DFs/M	1st Sv%	1st Sv Pts%	2nd Sv Pts%	BP Saved%	BP Conv%	Svc Pts%	Ret Pts%
2022	25	1/1	4.0	4.0	45.5%	70.0%	41.7%	57.1%	0.0%	54.5%	22.4%
2024	27	4/4	4.8	2.3	55.8%	70.8%	59.9%	67.4%	32.1%	65.4%	33.1%
Career		5/5	4.6	2.6	53.7%	70.6%	56.2%	65.3%	25.7%	63.3%	31.0%

Advanced Stats

Seongchan Hong advanced statistics by season
Season	Age	Elo	P+	Serve+	Return+	PD	TPW%	Hard Elo	Clay Elo	Grass Elo	Set Win %	Set Margin	Dec. Set	Tiebreak	Pressure+	Schedule
2022	25	1484	97.4	-1.73	-1.84	0.494	40.9%	—	—	—	0.0%	-3.00	—	—	—	+0.25
2023	26	1462	98.2	—	—	—	—	—	—	—	—	—	—	—	—	—
2024	27	1542	112.1	+0.32	-0.57	0.957	49.3%	+65	—	—	50.0%	-0.38	—	2–0	—	+0.15
2026	29	1523	103.8	—	—	—	—	—	—	—	—	—	—	—	—	—
Career		1576	106.5	-0.09	-0.82	0.843	47.6%	+65	—	—	40.0%	-0.90	—	2–0	—	+8.00

Tournament Results by Category

Grand Slams

Seongchan Hong Grand Slams results by season
Season	Age	RG	W	USO	W-L Win %
2023	26	Q1	Q1	Q2	1–3 (25%)
2024	27	Q1	Q1	Q2	1–3 (25%)
2026	29	—	—	Q2	1–1 (50%)
W-L		0–2 (0%)	0–2 (0%)	3–3 (50%)	3–7 (30%)

Masters 1000

Seongchan Hong Masters 1000 results by season
Season	Age	CIN	IW	SHA	W-L Win %
2023	26	—	—	Q2	1–1 (50%)
2024	27	—	R128	Q2	3–2 (60%)
2026	29	Q1	—	Q1	0–2 (0%)
W-L		0–1 (0%)	2–1 (67%)	2–3 (40%)	4–5 (44%)

ATP 500

Seongchan Hong ATP 500 results by season
Season	Age	WAS	W-L Win %
2024	27	R16	4–1 (80%)
W-L		4–1 (80%)	4–1 (80%)

ATP 250

Seongchan Hong ATP 250 results by season
Season	Age	CDU	U.S	NWP	SEL	W-L Win %
2022	25	—	—	—	R32	0–1 (0%)
2023	26	—	Q1	—	—	0–1 (0%)
2024	27	Q1	—	Q1	—	0–2 (0%)
W-L		0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–4 (0%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Career high

139

Career-high date

Sep 16, 2024

First Top 100

—

First Top 50

—

First Top 20

—

First Top 10

—

Ranking History Matrix

Seongchan Hong ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	16	—	—	—	—	1598	1595	1607	1649	1658	1686	1676	1674
2014	17	1674	1684	1700	1718	1824	—	—	—	—	—	—	—
2015	18	—	—	—	1584	1141	1161	1146	964	914	916	927	767
2016	19	765	438	446	444	452	452	439	365	346	349	350	373
2017	20	369	558	550	518	517	472	493	676	789	784	774	774
2018	21	776	785	802	664	624	703	646	638	641	658	606	532
2019	22	539	537	535	538	—	—	—	539	483	482	507	510
2020	23	504	515	528	—	—	—	—	527	530	537	544	549
2021	24	554	557	560	547	552	583	553	546	606	602	603	612
2022	25	605	571	572	573	576	484	491	467	471	382	254	252
2023	26	237	214	207	194	184	197	209	208	198	215	272	273
2024	27	224	213	201	187	191	188	175	152	141	145	151	150
2025	28	185	212	233	312	346	377	396	675	1110	—	—	—

Similar Players

Other ATP players with comparable peak level, era, career record, and career scale.

Seongchan Hong's most statistically similar ATP players
Player	Country	Peak ranking	Peak Elo	M	W	L	Win %	Prize money	Years	Rivalries	Match log
August Holmgren (active player)	DEN	#141	1,644	5	2	3	40.0%	$730,395	2021–2025	Rivalries	Match log
Manuel Guinard (active player)	FRA	#134	1,556	13	5	8	38.5%	$1,918,134	2022–2025	Rivalries	Match log
Andrea Vavassori (active player)	ITA	#128	1,699	26	11	15	42.3%	$4,290,268	2021–2026	Rivalries	Match log
Juan Pablo Ficovich (active player)	ARG	#125	1,574	9	4	5	44.4%	$1,018,660	2020–2025	Rivalries	Match log
Mark Lajal (active player)	EST	#140	1,642	8	3	5	37.5%	$793,952	2023–2026	Rivalries	Match log
Alibek Kachmazov (active player)	RUS	#161	1,634	11	4	7	36.4%	$453,010	2019–2025	Rivalries	Match log
Mitchell Krueger (active player)	USA	#135	1,688	36	11	25	30.6%	$1,961,805	2014–2025	Rivalries	Match log
Yu Hsiou Hsu (active player)	TPE	#158	1,655	6	3	3	50.0%	$907,483	2023–2023	Rivalries	Match log
Riccardo Bonadio	ITA	#164	1,582	3	1	2	33.3%	$502,185	2023–2023	Rivalries	Match log
Ryan Peniston (active player)	GBR	#123	1,593	13	6	7	46.2%	$846,742	2022–2023	Rivalries	Match log
Kaichi Uchida (active player)	JPN	#147	1,518	4	1	3	25.0%	$677,709	2022–2022	Rivalries	Match log
Leandro Riedi (active player)	SUI	#116	1,729	14	5	9	35.7%	$1,238,631	2021–2025	Rivalries	Match log

Frequently Asked Questions

How old is Seongchan Hong?: Seongchan Hong is 29 years old, born on June 30, 1997.
Which country does Seongchan Hong represent?: Seongchan Hong represents South Korea in TennisDB's ATP records.
How tall is Seongchan Hong?: Seongchan Hong is 175 cm / 5'9".
Is Seongchan Hong left-handed or right-handed?: Seongchan Hong plays right-handed.
How many Grand Slam singles titles has Seongchan Hong won?: Seongchan Hong has not won a Grand Slam singles title.
How many Masters 1000 titles has Seongchan Hong won?: TennisDB does not group any of Seongchan Hong's titles under the modern Masters 1000 category.
What is Seongchan Hong's highest ATP ranking?: Seongchan Hong's career-high ATP singles ranking is world No. 139, first achieved on September 16, 2024.
What is Seongchan Hong's career win-loss record?: Seongchan Hong has a career ATP singles record of 2 wins and 3 losses (40.0%).
How much career prize money has Seongchan Hong earned?: Seongchan Hong has earned at least $518,368 in career prize money from professional tennis.
Which seasons of Seongchan Hong's career appear in TennisDB?: Seongchan Hong appears in TennisDB's ATP main-tour match records from 2022 through 2024.
Who has Seongchan Hong faced most often?: Seongchan Hong's most frequent opponent is Alex Michelsen, with a head-to-head record of 0–1 across 1 meeting.