Player data updated: 2026-09-01 02:16 UTC

Kentaro Masuda

JPN Age 55 Plays: Right-Handed ATP Tour years active: 1990–1998

Kentaro Masuda represented Japan on the ATP Tour and reached a career-high ranking of No. 344. In TennisDB's records, Kentaro Masuda finished with a career record of 0–6 and no singles titles.

Peak ranking

344 (May 25, 1998)

Elo peak

1500 (3rd percentile)

Career record

0–6 (0.0%)

Career titles

Prize money

$62,434

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 →

Kentaro Masuda's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Mikael Tillstrom #93	6-4 3-6 0-6	L	H2H	Match data	Apr 15, 1998*	R64	Japan Open	ATP 500	Hard
Guillaume Raoux #91	4-6 2-6	L	H2H	Match data	Apr 6, 1994*	R64	Japan Open	ATP 500	Hard
Steve Bryan #166	1-6 2-6	L	H2H	Match data	Apr 8, 1992*	R64	Japan Open	ATP 500	Hard
John Stimpson #293	1-6 1-6	L	H2H	Match data	Apr 10, 1991*	R64	Japan Open	ATP 500	Hard
Todd Witsken #60	2-6 3-6	L	H2H	Match data	Oct 10, 1990*	R64	Tokyo Indoor	ATP 500	Carpet

Rivals all rivalries →

Kentaro Masuda's most-played ATP rivals
Opponent	L	M	Last Played	H2H
Mikael Tillstrom	1	1	Apr 15, 1998	H2H
Guillaume Raoux	1	1	Apr 6, 1994	H2H
Steve Bryan	1	1	Apr 8, 1992	H2H
John Stimpson	1	1	Apr 10, 1991	H2H
Todd Witsken	1	1	Oct 10, 1990	H2H

Career Results

Kentaro Masuda career results by season
Season	Age	L	M	Win %	Start Rank	End Rank
1990	18	2	2	0.0%	1,102	561
1991	19	1	1	0.0%	562	631
1992	20	1	1	0.0%	630	426
1994	22	1	1	0.0%	599	1,219
1998	26	1	1	0.0%	354	483
Career		6	6	0.0%	—	—

Career Results by Surface

Kentaro Masuda career results by season and surface
Season	Age	Hard				Clay				Grass				Carpet				Total
Season	Age	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
1990	18	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%	0	2	2	0.0%
1991	19	0	1	1	0.0%	—	—	—	—	—	—	—	—	—	—	—	—	0	1	1	0.0%
1992	20	0	1	1	0.0%	—	—	—	—	—	—	—	—	—	—	—	—	0	1	1	0.0%
1994	22	0	1	1	0.0%	—	—	—	—	—	—	—	—	—	—	—	—	0	1	1	0.0%
1998	26	0	1	1	0.0%	—	—	—	—	—	—	—	—	—	—	—	—	0	1	1	0.0%
Career	—	0	5	5	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%	0	6	6	0.0%

Career Results by Opponent Rank

Kentaro Masuda 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 %
1990	18	0	0	—	—	0	0	—	—	0	2	2	0.0%	0	0	—	—	0	2	2	0.0%
1991	19	0	0	—	—	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	1	1	0.0%
1992	20	0	0	—	—	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	1	1	0.0%
1994	22	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
1998	26	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
Career		0	0	—	—	0	0	—	—	0	4	4	0.0%	0	2	2	0.0%	0	6	6	0.0%

Performance Stats

Kentaro Masuda 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%
1991	19	1/1	1.0	1.0	75.0%	46.2%	30.8%	28.6%	0.0%	42.3%	25.6%
1992	20	1/1	0.0	0.0	47.7%	42.9%	39.1%	37.5%	100.0%	40.9%	31.8%
1994	22	1/1	0.0	0.0	69.1%	57.4%	33.3%	44.4%	33.3%	50.0%	36.7%
1998	26	1/1	2.0	2.0	54.8%	55.0%	51.5%	44.4%	50.0%	53.4%	34.2%
Career		4/6	0.8	0.8	61.7%	50.4%	38.7%	38.7%	45.8%	46.7%	32.1%

Detailed serve and return statistics available for 4/6 (66.7%) of Kentaro Masuda's ATP main draw matches.

Advanced Stats

Kentaro Masuda 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
1990	18	1487	104.2	—	—	—	—	—	—	—	0.0%	-3.25	—	—	—	-0.21
1991	19	1471	93.1	-0.89	-1.75	0.444	35.2%	—	—	—	0.0%	-5.00	—	—	—	+0.16
1992	20	1459	95.6	-1.91	-5.33	0.538	36.4%	—	—	—	0.0%	-4.50	—	—	—	+0.08
1994	22	1452	101.8	-2.74	-0.37	0.733	43.8%	—	—	—	0.0%	-3.00	—	—	—	-0.10
1998	26	1446	102.3	+0.58	-0.79	0.734	43.4%	—	—	—	33.3%	-2.33	0–1	—	—	-0.09
Career		1500	98.9	-1.24	-2.06	0.601	39.7%	—	—	—	7.7%	-3.46	0–1	—	—	-2.67

Tournament Results by Category

ATP 500

Kentaro Masuda ATP 500 results by season
Season	Age	TKY	W-L Win %
1990	18	R64	0–1 (0%)
1991	19	R64	0–1 (0%)
1992	20	R64	0–1 (0%)
1994	22	R64	0–1 (0%)
1998	26	R64	0–1 (0%)
W-L		0–5 (0%)	0–5 (0%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Career high

344

Career-high date

May 25, 1998

First Top 100

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First Top 50

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First Top 20

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First Top 10

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Ranking History Matrix

Kentaro Masuda ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1989	17	—	—	—	—	—	—	—	—	—	—	—	1103
1990	18	1091	1089	1060	787	778	682	669	624	628	621	625	561
1991	19	561	553	545	575	592	613	643	688	698	658	666	631
1992	20	623	630	656	659	660	631	571	497	440	450	405	426
1993	21	427	430	437	462	468	472	503	547	625	654	803	599
1994	22	596	592	599	584	589	634	626	713	720	715	703	1219
1995	23	1211	1218	1224	1229	—	—	977	735	741	740	768	766
1996	24	767	762	766	760	757	648	667	727	731	728	729	627
1997	25	629	548	552	499	511	534	514	445	434	423	428	354
1998	26	354	379	374	364	344	360	357	418	405	365	353	483
1999	27	361	361	362	413	436	426	449	449	436	493	500	503
2000	28	747	748	607	527	532	536	524	532	556	574	595	592
2001	29	589	582	753	1327	—	—	—	—	—	1209	1155	1159
2002	30	1159	1148	1012	955	896	750	657	581	515	520	525	518
2003	31	515	501	516	467	465	498	551	600	614	571	563	570
2004	32	570	581	593	602	625	605	585	583	623	719	730	727
2005	33	730	738	731	863	890	1047	1023	1414	1497	—	—	—

Similar Players

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

Kentaro Masuda's most statistically similar ATP players
Player	Country	Peak Rank	Peak Elo	M	W	L	Win %	Years	Match Log
James Greenhalgh	NZL	327	1,500	7	1	6	14.3%	1992–1996	Match log
Ryuso Tsujino	JPN	354	1,518	11	2	9	18.2%	1990–1994	Match log
Sebastien Leblanc	CAN	361	1,500	5	1	4	20.0%	1989–1997	Match log
Stephen Noteboom	NED	333	1,524	3	1	2	33.3%	1995–1996	Match log
Alexis Hombrecher	GER	332	1,500	9	3	6	33.3%	1990–1991	Match log
Steven Downs	NZL	279	1,515	6	1	5	16.7%	1994–1997	Match log
Bent Ove Pedersen	NOR	366	1,515	3	1	2	33.3%	1993–1993	Match log
Roland Burtscher	AUT	315	1,500	8	2	6	25.0%	1992–1994	Match log
Gilles Bastie	FRA	318	1,520	3	1	2	33.3%	1994–1995	Match log
Mehdi Tahiri	MAR	324	1,500	11	1	10	9.1%	1994–2006	Match log
Kotaro Miyachi	JPN	303	1,535	8	4	4	50.0%	1995–1998	Match log
John Sullivan	USA	371	1,516	3	1	2	33.3%	1991–1994	Match log

Frequently Asked Questions

How old is Kentaro Masuda?: Kentaro Masuda is 55 years old, born on August 26, 1971.
Which country does Kentaro Masuda represent?: Kentaro Masuda represents Japan in TennisDB's ATP records.
Is Kentaro Masuda left-handed or right-handed?: Kentaro Masuda plays right-handed.
How many Grand Slams has Kentaro Masuda won?: Kentaro Masuda has not won a Grand Slam title.
How many Masters 1000 titles has Kentaro Masuda won?: TennisDB does not group any of Kentaro Masuda's titles under the modern Masters 1000 category.
What is Kentaro Masuda's highest ATP ranking?: Kentaro Masuda's career-high ATP singles ranking is world No. 344, first achieved on May 25, 1998.
What is Kentaro Masuda's career win-loss record?: Kentaro Masuda has a career ATP singles record of 0 wins and 6 losses (0.0%).
How much career prize money has Kentaro Masuda earned?: Kentaro Masuda has earned at least $62,434 in career prize money from professional tennis.
Which seasons of Kentaro Masuda's career appear in TennisDB?: Kentaro Masuda appears in TennisDB's ATP main-tour match records from 1990 through 1998.
Who has Kentaro Masuda faced most often?: Kentaro Masuda's most frequent opponent is Mikael Tillstrom, with a head-to-head record of 0–1 across 1 meeting.