R. Barth is 79 years old, born on March 30, 1947.

Which country is R. Barth from?

R. Barth is from United States.

How many Grand Slams has R. Barth won?

R. Barth has not won a Grand Slam title.

How many Masters 1000 titles has R. Barth won?

R. Barth has not won a Masters 1000 title.

What is R. Barth's highest ATP ranking?

R. Barth's career-high ATP singles ranking is world No. 107, first achieved on October 15, 1973.

What is R. Barth's career win-loss record?

R. Barth has a career ATP singles record of 64 wins and 138 losses (31.7%).

When did R. Barth play professional tennis?

R. Barth turned professional in 1968 and was active through 1975.

What is R. Barth's best surface?

R. Barth's best surface is grass court with a 45.7% win rate (21W-25L).

Who is R. Barth's biggest rival?

R. Barth's most frequent opponent is Stan Smith, with a head-to-head record of 0–7 across 7 meetings.

R. Barth

USA Age 79 175 cm / 5'9" Plays: Right-Handed Pro 1968–1975

Peak ranking

107 (Oct 15, 1973)

Elo peak

1736 (60.3%ile)

Career record

64–138 (31.7%)

Career titles

Recent ATP Matches full match log →

Date	Tournament	Category	Round	Surface	Opponent	Score	Result	H2H	Match
Apr 2, 1975*	Tuscon	ATP 250	R64	Hard	B. Carmichael #95	3-6 2-6	L	H2H	Match data
Sep 25, 1974*	San Francisco	ATP 250	R64	Carpet	R. Tanner #21	3-6 4-6	L	H2H	Match data
Sep 20, 1974*	Los Angeles	ATP 250	R32	Hard	Andrew Pattison	3-6 1-6	L	—	Match data
Sep 19, 1974*	Los Angeles	ATP 250	R64	Hard	J. Chanfreau #120	7-6 6-2	W	H2H	Match data
Sep 1, 1974*	US Open	Grand Slam	R64	Grass	I. Nastase #7	7-6 1-6 6-4 1-6 2-6	L	H2H	Match data

Rivals full rivalries list →

Opponent	W	L	M	Last Played	H2H
Stan Smith	0	7	7	May 16, 1974	—
R. Laver	0	5	5	Mar 30, 1973	H2H
R. Taylor	0	5	5	Nov 16, 1972	H2H
J. Alexander	0	4	4	Apr 26, 1973	H2H
T. Okker	1	3	4	Oct 25, 1972	H2H

Career Results

Season	Age	W	L	M	Win %	Start Rank	End Rank
1968	21	20	13	33	60.6%	—	—
1969	22	16	11	27	59.3%	—	—
1970	23	13	24	37	35.1%	—	—
1971	24	6	29	35	17.1%	—	—
1972	25	1	26	27	3.7%	—	—
1973	26	4	21	25	16.0%	179	126
1974	27	4	13	17	23.5%	121	136
1975	28	0	1	1	0.0%	136	373
Career		64	138	202	31.7%	—	—

Career Results by 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 %
1968	21	16	7	23	69.6%	2	3	5	40.0%	2	3	5	40.0%	—	—	—	—	20	13	33	60.6%
1969	22	5	4	9	55.6%	0	1	1	0.0%	11	5	16	68.8%	0	1	1	0.0%	16	11	27	59.3%
1970	23	6	9	15	40.0%	3	7	10	30.0%	4	6	10	40.0%	0	2	2	0.0%	13	24	37	35.1%
1971	24	5	10	15	33.3%	1	7	8	12.5%	0	5	5	0.0%	0	7	7	0.0%	6	29	35	17.1%
1972	25	0	7	7	0.0%	1	4	5	20.0%	0	1	1	0.0%	0	14	14	0.0%	1	26	27	3.7%
1973	26	1	8	9	11.1%	0	3	3	0.0%	2	3	5	40.0%	1	7	8	12.5%	4	21	25	16.0%
1974	27	1	6	7	14.3%	1	3	4	25.0%	2	2	4	50.0%	0	2	2	0.0%	4	13	17	23.5%
1975	28	0	1	1	0.0%	—	—	—	—	—	—	—	—	—	—	—	—	0	1	1	0.0%
Career	—	34	52	86	39.5%	8	28	36	22.2%	21	25	46	45.7%	1	33	34	2.9%	64	138	202	31.7%

Career Results by 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 %
1973	26	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%	0	2	2	0.0%
1974	27	0	2	2	0.0%	0	2	2	0.0%	0	3	3	0.0%	3	3	6	50.0%	3	10	13	23.1%
1975	28	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
Career		0	2	2	0.0%	0	3	3	0.0%	0	4	4	0.0%	3	4	7	42.9%	3	13	16	18.8%

Opponent ranking data available for 16/202 (7.9%) of R. Barth's ATP main draw matches.

Advanced Stats

Season	Age	ELO	ELO %	Hard %	Clay %	Grass %	Set Win %	Set Margin	SoS %	Deep Run %	Dec. Set W%	TB W	TB L	TB W%
1968	21	1619	95	97	70	68	61.0%	+1.13	55	23	29	0	0	—
1969	22	1692	94	92	—	92	54.8%	+0.23	60	27	70	0	0	—
1970	23	1579	86	80	9	88	38.6%	-0.58	46	4	14	3	1	75
1971	24	1464	22	5	2	70	22.5%	-2.00	79	0	11	1	1	—
1972	25	1403	3	0	4	—	12.9%	-2.78	96	0	14	2	2	50
1973	26	1371	1	0	3	31	26.8%	-1.82	65	0	14	4	5	44
1974	27	1403	3	0	1	56	35.7%	-1.36	43	0	0	2	2	50
1975	28	1397	3	—	—	—	0.0%	-3.50	27	0	—	0	0	—
Career		1484	37	39	15	76	36.9%	-1.36	67	5	25	12	11	52

Tournament Results by Category

Results show best round reached per tournament per season.

Grand Slams

Season	Age	AO	RG	W	USO
1968	21	—	—	R128	—
1969	22	—	—	R128	R16
1970	23	—	R128	R128	R32
1971	24	R64	—	R128	R128
1972	25	—	—	—	R128
1973	26	—	—	—	R128
1974	27	—	—	—	R64

Masters 1000

Season	Age	CIN	ROM	MON
1970	23	R32	—	—
1971	24	—	R32	R32
1974	27	R16	—	—

ATP 250

Season	Age	ATL	AUC	BAR	DAL	EAS	GST	HAM	HOU	MIA	MUN	NAP	QUE	ROT	STO	WAS	ALA	APT	BER	BER	BOL	BOS	BOS	BOS	BRI	BRU	CHA	CHA	CHI	CLE	COL	COL	DEN	ESS	FOR	FOR	GOT	HAV	JAC	JOH	JOH	KIN	LA	LAC	LAS	LAS	LON	LOS	LOS	LOS	LOU	LOU	MAC	MAN	MER	MON	MON	NEW	PAL	PHI	PHO	QUE	RIC	SAC	SAL	SAN	SAN	SAN	SOU	SOU	ST.	TEH	TOR	TUS	VAN	WEM
1968	21	—	—	—	—	—	—	R32	—	—	R32	—	—	—	—	—	—	—	SF	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	F	—	—	—	R64	R64	R16	—	—	—	—	—	—	R16	—	—	—	—	SF	—	—	—	R32	R16	—	—	—	—	—	—	—	—	—	—
1969	22	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	R32	—	—	R16	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	R32	—	—	—	—	R16	—	—	—	—	—	—
1970	23	—	—	—	—	—	—	—	R32	—	—	R64	R64	—	—	R64	—	—	R16	—	—	—	—	—	R32	—	R16	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	SF	—	—	—	—	—	R64	—	—	—	—	—	R32	R32	—	—	—	—	R64	R16	—	—	R16	R64	—	—	R32	R32	—	—	—	—	—	—	R32
1971	24	—	R16	R64	R32	R32	—	—	R32	R32	—	—	—	—	R64	R64	—	—	R32	—	R64	—	—	R32	R32	—	—	—	R32	—	R32	—	—	—	—	R32	—	—	—	R32	—	—	—	—	—	—	—	R32	—	—	—	R32	—	—	—	—	—	—	—	R32	—	R32	—	R32	—	—	—	—	—	—	—	R32	—	—	R32	R32
1972	25	—	—	—	—	—	—	—	R32	R32	—	—	—	R32	R32	R32	R32	—	—	—	—	—	—	R32	—	—	—	R32	R32	R32	—	—	R32	R32	—	R32	R32	—	—	—	—	—	—	—	—	R32	—	—	—	R64	—	R32	R16	—	—	—	R32	—	—	R32	—	R32	R32	—	—	—	—	—	—	—	R32	—	R32	—	R32	—
1973	26	R32	—	—	—	R16	—	—	—	R32	R32	—	—	—	—	R64	—	R32	—	R32	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	R32	—	R32	—	—	—	R16	—	—	R32	—	—	—	R64	—	—	R64	—	—	—	R32	—	—	—	—	R32	—	—	R32	—	R64	—	—	—	—	—	R16	—	R32	—	—	—
1974	27	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	R32	—	—	—	—	—	—	—	—	—	—	R32	R32	—	—	R32	—	—	—	—	—	—	R32	—	—	—	R32	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	R64	—	—
1975	28	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—

ATP Ranking History full ranking history →

Career high

107

Career-high date

Oct 15, 1973

First top 100

—

First top 50

—

First top 20

—

First top 10

—

Ranking History Matrix

Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1973	26	—	—	—	—	—	—	—	179	124	107	124	126
1974	27	—	—	121	123	123	107	147	137	136	—	135	136
1975	28	136	—	130	138	148	172	—	—	—	—	—	373

Similar Players

Other ATP players ranked by a composite similarity score over country, era, and peak rank.

Player	Country	Peak Rank	Peak Elo	Grand Slams	Titles	M	W	L	Win %	Active Years	Match Log
D. Ralston	USA	115	1,954	0	6	293	157	136	53.6%	1968-1980	Match log
J. Osborne	USA	211	1,817	0	0	239	118	121	49.4%	1968-1982	Match log
E. Buchholz	USA	156	1,941	0	6	179	98	81	54.7%	1968-1978	Match log
B. Bowrey	AUS	162	1,752	1	3	236	122	114	51.7%	1968-1975	Match log
M. Santana	ESP	145	1,994	0	11	163	113	50	69.3%	1968-1978	Match log
M. Anderson	AUS	125	1,932	0	3	135	81	54	60.0%	1968-1981	Match log
M. Belkin	CAN	128	1,774	0	2	135	77	58	57.0%	1968-1975	Match log
J. Rouyer	FRA	133	1,747	0	0	138	69	69	50.0%	1968-1974	Match log
R. Keldie	AUS	113	1,622	0	0	170	64	106	37.6%	1968-1975	Match log
F. Pala	CZE	102	1,718	0	0	174	62	112	35.6%	1969-1979	Match log
I. Gulyas	HUN	128	1,803	0	1	115	58	57	50.4%	1968-1973	Match log
J. Kukal	CZE	115	1,656	0	0	138	57	81	41.3%	1968-1976	Match log

Frequently Asked Questions

How old is R. Barth?: R. Barth is 79 years old, born on March 30, 1947.
Which country is R. Barth from?: R. Barth is from United States.
How tall is R. Barth?: R. Barth is 175 cm / 5'9".
Is R. Barth left-handed or right-handed?: R. Barth plays right-handed.
How many Grand Slams has R. Barth won?: R. Barth has not won a Grand Slam title.
How many Masters 1000 titles has R. Barth won?: R. Barth has not won a Masters 1000 title.
What is R. Barth's highest ATP ranking?: R. Barth's career-high ATP singles ranking is world No. 107, first achieved on October 15, 1973.
What is R. Barth's career win-loss record?: R. Barth has a career ATP singles record of 64 wins and 138 losses (31.7%).
When did R. Barth play professional tennis?: R. Barth turned professional in 1968 and was active through 1975.
What is R. Barth's best surface?: R. Barth's best surface is grass court with a 45.7% win rate (21W-25L).
Who is R. Barth's biggest rival?: R. Barth's most frequent opponent is Stan Smith, with a head-to-head record of 0–7 across 7 meetings.