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

Kotaro Miyachi

JPN Age 52 Plays: Right-Handed ATP Tour years active: 1995–1998

Kotaro Miyachi represented Japan on the ATP Tour and reached a career high of No. 303. TennisDB's records show a singles record of 4–4 and no singles titles.

Peak singles rank

303 (Jul 27, 1998)

Elo peak

1535 (13th percentile)

Singles record

4–4 (50.0%)

Singles titles

Prize money

$44,690

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 →

Kotaro Miyachi's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Jan-Michael Gambill #81	0-6 3-6	L	H2H	Match data	Apr 16, 1998*	R32	Japan Open	ATP Championship Series → modern equivalent ATP 500	Hard
Allen Belobrajdic #169	6-2 6-1	W	H2H	Match data	Apr 15, 1998*	R64	Japan Open	ATP Championship Series → modern equivalent ATP 500	Hard
Guy Forget #35	0-6 3-6	L	H2H	Match data	Apr 18, 1996*	R32	Japan Open	Championship Series → modern equivalent ATP 500	Hard
Jerome Golmard #94	6-4 1-6 7-6(5)	W	H2H	Match data	Apr 17, 1996*	R64	Japan Open	Championship Series → modern equivalent ATP 500	Hard
Leander Paes #134	2-6 4-6	L	H2H	Match data	Oct 11, 1995*	R64	Tokyo Indoor	ATP Championship Series → modern equivalent ATP 500	Carpet

Rivals all rivalries →

Kotaro Miyachi's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Jan-Michael Gambill	0	1	1	Apr 16, 1998	H2H
Allen Belobrajdic	1	0	1	Apr 15, 1998	H2H
Guy Forget	0	1	1	Apr 18, 1996	H2H
Jerome Golmard	1	0	1	Apr 17, 1996	H2H
Leander Paes	0	1	1	Oct 11, 1995	H2H

Career Results

Kotaro Miyachi career results by season
Season	Age	W	L	M	Win %	Start Rank	End Rank
1995	21	2	2	4	50.0%	753	512
1996	22	1	1	2	50.0%	512	436
1998	24	1	1	2	50.0%	502	362
Career		4	4	8	50.0%	—	—

Career Results by Surface

Kotaro Miyachi 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 %
1995	21	2	1	3	66.7%	—	—	—	—	—	—	—	—	0	1	1	0.0%	2	2	4	50.0%
1996	22	1	1	2	50.0%	—	—	—	—	—	—	—	—	—	—	—	—	1	1	2	50.0%
1998	24	1	1	2	50.0%	—	—	—	—	—	—	—	—	—	—	—	—	1	1	2	50.0%
Career	—	4	3	7	57.1%	—	—	—	—	—	—	—	—	0	1	1	0.0%	4	4	8	50.0%

Career Results by Opponent Rank

Kotaro Miyachi 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 %
1995	21	0	0	—	—	0	0	—	—	0	0	—	—	2	2	4	50.0%	2	2	4	50.0%
1996	22	0	0	—	—	0	0	—	—	1	1	2	50.0%	0	0	—	—	1	1	2	50.0%
1998	24	0	0	—	—	0	0	—	—	0	1	1	0.0%	1	0	1	100.0%	1	1	2	50.0%
Career		0	0	—	—	0	0	—	—	1	2	3	33.3%	3	2	5	60.0%	4	4	8	50.0%

Performance Stats

Kotaro Miyachi 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%
1995	21	3/4	2.0	4.3	61.7%	60.0%	47.4%	51.4%	28.3%	54.5%	37.5%
1996	22	2/2	0.5	3.5	63.3%	62.8%	46.0%	44.4%	12.5%	56.3%	31.6%
1998	24	1/2	1.0	2.0	50.0%	81.5%	51.9%	100.0%	62.5%	66.7%	56.5%
Career		6/8	1.3	3.7	60.3%	64.5%	47.7%	57.2%	28.7%	57.2%	38.7%

Detailed serve and return statistics available for 6/8 (75.0%) of Kotaro Miyachi's ATP main draw matches.

Advanced Stats

Kotaro Miyachi 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
1995	21	1505	99.1	-3.13	-0.28	0.826	46.1%	+29	—	—	44.4%	-0.67	1–0	1–0	—	+0.59
1996	22	1517	101.4	-4.19	-0.53	0.724	43.0%	—	—	—	40.0%	-2.20	1–0	1–0	—	+0.03
1998	24	1523	103.7	+0.50	-1.50	1.696	62.0%	—	—	—	50.0%	0.00	—	—	—	+0.18
Career		1535	101.7	-2.88	-0.57	0.904	47.7%	+29	—	—	44.4%	-0.95	2–0	2–0	—	+10.00

Tournament Results by Category

ATP 500

Kotaro Miyachi ATP 500 results by season
Season	Age	TKY	W-L Win %
1995	21	R16	2–1 (67%)
1996	22	R32	1–1 (50%)
1998	24	R32	1–1 (50%)
W-L		4–3 (57%)	4–3 (57%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Career high

303

Career-high date

Jul 27, 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

Kotaro Miyachi ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1993	19	—	—	895	930	933	940	965	995	984	993	1020	642
1994	20	636	629	598	590	596	598	587	611	606	598	602	753
1995	21	755	752	972	496	498	502	477	478	478	472	482	512
1996	22	509	505	506	573	578	562	599	594	463	471	469	436
1997	23	435	431	437	538	535	539	513	408	495	460	468	502
1998	24	511	507	460	402	403	413	303	366	369	384	367	362
1999	25	363	347	379	422	416	416	586	588	591	574	564	582
2000	26	633	634	646	695	729	739	830	829	843	821	1023	1009
2001	27	1005	1007	1007	1016	1069	1086	1151	1089	1056	1069	1155	1159
2002	28	1159	1148	1148	1140	1145	1087	1087	1159	1218	1352	1343	1331
2003	29	1332	1335	1334	1340	1345	1345	—	—	—	—	—	—

Similar Players

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

Kotaro Miyachi's most statistically similar ATP players
Player	Country	Peak ranking	Peak Elo	M	W	L	Win %	Prize money	Years	Rivalries	Match log
Jonathan Erlich	ISR	#292	1,537	11	5	6	45.5%	$2,827,240	1994–2003	Rivalries	Match log
Massimo Calvelli	ITA	#255	1,523	2	1	1	50.0%	$14,375	1995–1995	Rivalries	Match log
Federico Dondo	URU	#232	1,521	2	1	1	50.0%	$56,725	1996–1996	Rivalries	Match log
Borut Urh	SLO	#281	1,530	4	2	2	50.0%	$49,943	1998–1999	Rivalries	Match log
Alexandre Strambini	SUI	#215	1,515	2	1	1	50.0%	$38,972	1996–1996	Rivalries	Match log
Stephen Noteboom	NED	#333	1,524	3	1	2	33.3%	$301,344	1995–1996	Rivalries	Match log
Filippo Veglio	SUI	#273	1,533	3	1	2	33.3%	$68,926	1996–1996	Rivalries	Match log
Howard Joffe	RSA	#428	1,515	2	1	1	50.0%	$7,631	1995–1995	Rivalries	Match log
David Caballero	ESP	#195	1,514	2	1	1	50.0%	$64,042	1997–1997	Rivalries	Match log
Mehdi Tahiri	MAR	#324	1,500	11	1	10	9.1%	$88,160	1994–2006	Rivalries	Match log
Victor Sendin	ESP	#242	1,521	3	1	2	33.3%	$33,461	1996–1996	Rivalries	Match log
Robbie Koenig	RSA	#262	1,534	14	3	11	21.4%	$944,191	1992–2001	Rivalries	Match log

Frequently Asked Questions

How old is Kotaro Miyachi?: Kotaro Miyachi is 52 years old, born on February 18, 1974.
Which country does Kotaro Miyachi represent?: Kotaro Miyachi represents Japan in TennisDB's ATP records.
Is Kotaro Miyachi left-handed or right-handed?: Kotaro Miyachi plays right-handed.
How many Grand Slam singles titles has Kotaro Miyachi won?: Kotaro Miyachi has not won a Grand Slam singles title.
How many Masters 1000 titles has Kotaro Miyachi won?: TennisDB does not group any of Kotaro Miyachi's titles under the modern Masters 1000 category.
What is Kotaro Miyachi's highest ATP ranking?: Kotaro Miyachi's career-high ATP singles ranking is world No. 303, first achieved on July 27, 1998.
What is Kotaro Miyachi's career win-loss record?: Kotaro Miyachi has a career ATP singles record of 4 wins and 4 losses (50.0%).
How much career prize money has Kotaro Miyachi earned?: Kotaro Miyachi has earned at least $44,690 in career prize money from professional tennis.
Which seasons of Kotaro Miyachi's career appear in TennisDB?: Kotaro Miyachi appears in TennisDB's ATP main-tour match records from 1995 through 1998.
Who has Kotaro Miyachi faced most often?: Kotaro Miyachi's most frequent opponent is Jan-Michael Gambill, with a head-to-head record of 0–1 across 1 meeting.