How old is J. Borowiak?

J. Borowiak is 76 years old, born on September 25, 1949.

Which country is J. Borowiak from?

J. Borowiak is from United States.

Is J. Borowiak left-handed or right-handed?

J. Borowiak plays right-handed.

How many Grand Slams has J. Borowiak won?

J. Borowiak has not won a Grand Slam title.

How many Masters 1000 titles has J. Borowiak won?

J. Borowiak has won 1 Masters 1000 title. The most recent was Toronto in 1977.

How many ATP titles has J. Borowiak won?

J. Borowiak has won 5 ATP singles titles across all categories. The most recent other title was Gstaad in 1977.

What is J. Borowiak's highest ATP ranking?

J. Borowiak's career-high ATP singles ranking is world No. 20, first achieved on August 30, 1977.

What is J. Borowiak's career win-loss record?

J. Borowiak has a career ATP singles record of 289 wins and 305 losses (48.7%).

How much career prize money has J. Borowiak earned?

J. Borowiak has earned at least $598 in career prize money from professional tennis.

When did J. Borowiak play professional tennis?

J. Borowiak turned professional in 1968 and was active through 1984.

What is J. Borowiak's best surface?

J. Borowiak's best surface is clay court with a 51.9% win rate (97W-90L).

Who is J. Borowiak's biggest rival?

J. Borowiak's most frequent opponent is J. Connors, with a head-to-head record of 3–8 across 11 meetings.

J. Borowiak

USA Age 76 193 cm / 6'4" Plays: Right-Handed Pro 1968–1984

Peak ranking

20 (Aug 30, 1977)

Elo peak

1942 (86.5%ile)

Career record

289–305 (48.7%)

Career titles

Prize money

$598

Recent ATP Matches full match log →

Date	Tournament	Category	Round	Surface	Opponent	Score	Result	H2H	Match
Jul 25, 1984*	Kitzbuhel	ATP 250	R64	Clay	Thomas Muster #747	2-6 3-6	L	H2H	Match data
Jun 13, 1984*	Queen's Club	ATP 250	R64	Grass	B. Teacher #32	4-6 7-5 9-11	L	H2H	Match data
May 10, 1984*	Florence	ATP 250	R32	Clay	M. Dickson #49	3-6 4-6	L	H2H	Match data
Feb 15, 1984*	La Quinta	ATP 250	R64	Hard	H. Pfister #40	6-7 6-3 2-6	L	H2H	Match data
Dec 14, 1983*	Sydney Outdoor	ATP 250	R64	Grass	H. Sundstrom #23	5-7 6-7	L	H2H	Match data

Rivals full rivalries list →

Opponent	W	L	M	Last Played	H2H
J. Connors	3	8	11	Sep 2, 1982	H2H
J. Newcombe	2	9	11	Oct 10, 1974	H2H
B. Gottfried	6	4	10	Jun 26, 1981	H2H
T. Okker	4	6	10	Aug 20, 1980	H2H
J. Fillol	4	6	10	Apr 19, 1979	H2H

Titles (5)

Season	Age	Titles	GS	M1000	500	250	Finals	Tournaments
1974	24	2	—	—	—	2	—	Charlotte , Oslo
1977	27	3	—	1	—	2	—	Dayton , Gstaad , Toronto
Total		5	—	1	—	4	—

Career Results

Season	Age	W	L	M	Win %	Start Rank	End Rank
1968	18	6	10	16	37.5%	—	—
1969	19	3	2	5	60.0%	—	—
1970	20	6	7	13	46.2%	—	—
1971	21	26	20	46	56.5%	—	—
1972	22	20	28	48	41.7%	—	—
1973	23	21	33	54	38.9%	115	82
1974	24	34	27	61	55.7%	82	40
1975	25	32	27	59	54.2%	42	48
1976	26	18	23	41	43.9%	47	60
1977	27	45	23	68	66.2%	61	25
1978	28	16	25	41	39.0%	25	98
1979	29	5	13	18	27.8%	98	125
1980	30	5	5	10	50.0%	189	189
1981	31	18	19	37	48.7%	189	52
1982	32	21	20	41	51.2%	50	94
1983	33	13	19	32	40.6%	82	98
1984	34	0	4	4	0.0%	115	520
Career		289	305	594	48.7%	—	—

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	18	4	2	6	66.7%	1	2	3	33.3%	1	5	6	16.7%	0	1	1	0.0%	6	10	16	37.5%
1969	19	3	1	4	75.0%	0	1	1	0.0%	—	—	—	—	—	—	—	—	3	2	5	60.0%
1970	20	1	1	2	50.0%	2	3	5	40.0%	3	2	5	60.0%	0	1	1	0.0%	6	7	13	46.2%
1971	21	11	10	21	52.4%	6	5	11	54.5%	4	3	7	57.1%	5	2	7	71.4%	26	20	46	56.5%
1972	22	9	9	18	50.0%	1	5	6	16.7%	0	1	1	0.0%	10	13	23	43.5%	20	28	48	41.7%
1973	23	8	8	16	50.0%	9	12	21	42.9%	1	3	4	25.0%	3	10	13	23.1%	21	33	54	38.9%
1974	24	9	10	19	47.4%	13	11	24	54.2%	2	3	5	40.0%	10	3	13	76.9%	34	27	61	55.7%
1975	25	12	10	22	54.5%	8	10	18	44.4%	3	2	5	60.0%	9	5	14	64.3%	32	27	59	54.2%
1976	26	3	3	6	50.0%	12	10	22	54.5%	0	2	2	0.0%	3	8	11	27.3%	18	23	41	43.9%
1977	27	7	8	15	46.7%	17	4	21	81.0%	0	2	2	0.0%	21	9	30	70.0%	45	23	68	66.2%
1978	28	1	5	6	16.7%	13	9	22	59.1%	0	3	3	0.0%	2	8	10	20.0%	16	25	41	39.0%
1979	29	0	3	3	0.0%	2	5	7	28.6%	1	1	2	50.0%	2	4	6	33.3%	5	13	18	27.8%
1980	30	3	3	6	50.0%	—	—	—	—	—	—	—	—	2	2	4	50.0%	5	5	10	50.0%
1981	31	11	9	20	55.0%	2	3	5	40.0%	3	2	5	60.0%	2	5	7	28.6%	18	19	37	48.6%
1982	32	4	7	11	36.4%	4	3	7	57.1%	10	6	16	62.5%	3	4	7	42.9%	21	20	41	51.2%
1983	33	1	6	7	14.3%	7	5	12	58.3%	2	4	6	33.3%	3	4	7	42.9%	13	19	32	40.6%
1984	34	0	1	1	0.0%	0	2	2	0.0%	0	1	1	0.0%	—	—	—	—	0	4	4	0.0%
Career	—	87	96	183	47.5%	97	90	187	51.9%	30	40	70	42.9%	75	79	154	48.7%	289	305	594	48.7%

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	23	0	3	3	0.0%	3	3	6	50.0%	2	2	4	50.0%	2	1	3	66.7%	7	9	16	43.8%
1974	24	2	10	12	16.7%	5	8	13	38.5%	8	7	15	53.3%	11	1	12	91.7%	26	26	52	50.0%
1975	25	1	11	12	8.3%	5	6	11	45.5%	13	5	18	72.2%	9	4	13	69.2%	28	26	54	51.9%
1976	26	1	6	7	14.3%	5	4	9	55.6%	4	8	12	33.3%	3	1	4	75.0%	13	19	32	40.6%
1977	27	2	6	8	25.0%	6	6	12	50.0%	18	8	26	69.2%	12	2	14	85.7%	38	22	60	63.3%
1978	28	1	8	9	11.1%	3	2	5	60.0%	5	11	16	31.2%	4	1	5	80.0%	13	22	35	37.1%
1979	29	0	1	1	0.0%	1	2	3	33.3%	2	6	8	25.0%	1	0	1	100.0%	4	9	13	30.8%
1980	30	0	1	1	0.0%	1	0	1	100.0%	4	2	6	66.7%	0	0	—	—	5	3	8	62.5%
1981	31	1	2	3	33.3%	1	7	8	12.5%	6	5	11	54.5%	5	3	8	62.5%	13	17	30	43.3%
1982	32	1	4	5	20.0%	3	5	8	37.5%	3	7	10	30.0%	9	2	11	81.8%	16	18	34	47.1%
1983	33	1	2	3	33.3%	2	8	10	20.0%	7	6	13	53.8%	3	3	6	50.0%	13	19	32	40.6%
1984	34	0	0	—	—	0	0	—	—	0	3	3	0.0%	0	1	1	0.0%	0	4	4	0.0%
Career		10	54	64	15.6%	35	51	86	40.7%	72	70	142	50.7%	59	19	78	75.6%	176	194	370	47.6%

Opponent ranking data available for 370/594 (62.3%) of J. Borowiak'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	18	1472	16	86	32	2	37.8%	-0.78	39	0	—	0	0	—
1969	19	1513	78	86	—	—	50.0%	+0.27	47	50	75	0	0	—
1970	20	1566	84	81	51	30	46.7%	-0.65	60	0	—	0	2	—
1971	21	1783	94	91	78	77	53.0%	+0.11	76	10	67	9	6	60
1972	22	1828	95	94	65	—	43.2%	-0.52	96	14	50	9	10	47
1973	23	1732	90	87	74	67	43.0%	-0.40	81	9	38	7	10	41
1974	24	1854	94	92	85	68	55.2%	+0.31	89	21	44	12	7	63
1975	25	1805	91	89	82	68	53.1%	+0.44	85	30	50	6	10	38
1976	26	1721	85	85	84	—	47.9%	-0.15	82	22	50	6	8	43
1977	27	1812	91	86	92	—	60.8%	+1.02	71	42	67	9	9	50
1978	28	1672	82	72	94	26	43.0%	-0.42	85	21	33	4	4	50
1979	29	1614	77	69	89	—	38.3%	-0.70	81	8	29	3	6	33
1980	30	1668	83	78	—	—	59.1%	+1.19	87	20	25	1	1	—
1981	31	1763	90	86	87	64	48.9%	-0.28	84	16	44	10	10	50
1982	32	1741	89	85	86	85	53.5%	+0.14	72	15	33	9	8	53
1983	33	1652	78	69	86	80	43.8%	-0.71	78	16	50	9	4	69
1984	34	1598	65	—	—	—	20.0%	-1.84	53	0	—	0	1	—
Career		1740	86	86	82	62	49.4%	-0.10	80	18	48	94	96	49

Tournament Results by Category

Results show best round reached per tournament per season.

Grand Slams

Season	Age	AO	RG	W	USO
1968	18	—	—	—	R32
1970	20	—	—	—	R64
1971	21	—	—	R16	R64
1972	22	—	—	—	R128
1973	23	—	R128	—	R64
1974	24	—	R64	R32	R128
1975	25	—	—	R64	R128
1976	26	—	—	R128	—
1977	27	—	R64	R128	R128
1978	28	—	R32	R128	R64
1979	29	—	R64	R64	R128
1981	31	—	—	R16	R64
1982	32	R16	—	R128	R128
1983	33	R32	—	R128	R128

Masters 1000

Season	Age	CIN	ROM	MON	TOR
1970	20	R16	—	—	—
1971	21	R32	—	—	—
1973	23	—	R128	—	R64
1974	24	—	R64	—	R16
1975	25	—	—	—	R64
1976	26	—	—	—	R64
1977	27	—	—	—	W
1978	28	—	R64	R16	—
1979	29	—	R64	—	—
1980	30	R16	—	—	—
1981	31	R64	—	—	—
1982	32	R64	—	—	—

ATP 250

Season	Age	ADE	ATL	BAD	BAR	BAS	EAS	FLR	GST	HAM	HKG	HOU	KIT	MEL	MIA	MUN	NAP	PAR	QUE	ROT	SPB	STO	STU	TKY	VIE	WAS	ALA	BAL	BER	BIR	BOL	BOL	BOS	BOS	BOS	BRE	CAR	CHA	CHA	CHI	CLE	COL	COL	COL	COP	DAY	DEN	DEN	FOR	FRA	GOT	HAM	HAV	HEM	HIL	HIL	JOH	JOH	JOH	KAN	LA	LA	LA	LAC	LAG	LAS	LAS	LON	LON	LOS	LOS	LOS	LOU	LOU	MAC	MAN	MAU	MEM	MER	MIL	MIL	MON	NAP	NEW	NEW	NEW	NOR	NOT	ORL	OSA	OSL	PAL	PHI	PHI	QUE	RAN	RIC	RIC	SAC	SAL	SAN	SAN	SAN	SAO	SOU	SOU	ST.	ST.	STO	SYD	TAI	TAM	TAN	TEH	TOR	TUS	VAN	WEM
1968	18	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	R32	—	—	—	—	R64	R64	—	—	—	—	—	—	—	—	—	—	—	—
1969	19	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
1970	20	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
1971	21	—	—	—	R64	—	R32	—	QF	—	—	—	—	—	—	—	R16	—	—	—	—	R64	—	—	—	R32	—	—	R32	—	—	R16	—	—	—	—	—	—	—	—	—	—	F	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	R32	—	—	—	—	R64	—	—	—	—	—	—	—	R32	—	—	—	—	R16
1972	22	—	—	—	—	—	—	—	—	—	—	R32	—	—	R32	—	—	—	—	R16	—	R16	—	—	—	R32	R32	—	—	—	—	—	—	—	R32	F	—	—	R32	R32	R32	—	—	—	—	—	—	R32	R16	—	QF	—	—	—	R16	—	—	—	R16	—	—	—	—	—	—	—	R16	—	—	—	—	R16	—	R32	QF	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	QF	R16	—	R16	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	R16	—	R16	—
1973	23	—	—	R32	—	—	R32	—	—	—	—	R16	—	—	—	—	—	R32	—	—	—	R16	—	QF	—	R16	—	—	—	—	—	—	R32	—	—	—	—	—	R32	R32	R32	—	R32	R32	R32	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	SF	—	—	—	—	—	—	—	R16	R16	R16	—	—	—	—	—	—	—	—	—	R32	—	—	—	R16	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	SF	R32	—	—	R32	—
1974	24	—	R32	—	—	—	—	—	R32	—	—	—	R16	—	—	—	—	R16	—	—	R32	R32	—	—	—	R64	—	—	—	—	—	—	R32	—	—	QF	—	W	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	R32	—	R32	—	—	—	QF	—	—	R32	—	—	—	R16	—	—	—	—	—	—	—	—	F	—	R64	QF	—	W	—	—	R64	—	—	—	—	—	—	R64	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	R64	—	—
1975	25	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—	R32	—	—	R16	R64	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	SF	R32	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	R32	—	—	—	R16	—	—	R32	—	—	—	QF	—	—	—	—	—	—	—	—	—	R64	R16	QF	—	—	—	—	R32	—	—	—	QF	—	—	SF	—	SF	R16	R32	—	QF	—	—	—	—	—	—	—	—	R32	—	—
1976	26	—	F	—	R16	—	—	—	QF	—	—	R32	QF	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	R16	—	—	—	—	R64	—	—	—	SF	—	R16	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SF	R16	—	—	—	R64	—	—	R64	—	—	—	R16	—	—	—	—	—	—	—	—	—	R32	R64	—	—	—	R64	—	R64	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
1977	27	—	—	—	—	QF	—	—	W	—	—	—	—	—	—	—	—	SF	R64	—	—	R64	—	—	—	QF	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	W	R16	—	—	—	—	SF	—	—	—	—	—	R32	—	—	R16	—	—	—	—	R32	—	—	—	R32	QF	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SF	—	—	—	—	—	—	R64	R16	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	R32
1978	28	—	—	—	—	—	—	—	SF	R64	R32	QF	—	—	—	—	—	—	R64	—	—	—	—	R32	—	R32	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	QF	—	—	—	R64	—	—	—	—	—	R32	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	R32	—	—	—	R32	—	—	—	QF	—	—	—	—	—	R32	—	—	—	—	—	—	—
1979	29	—	—	—	—	—	—	—	R16	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	R32	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
1980	30	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
1981	31	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	R64	—	—	R64	R32	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	F	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	R16	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	R64	—	R32	—	—	—	—	—	—	—	—	F	—	—	—	—	—	R32
1982	32	R16	—	—	—	—	—	—	R32	—	—	—	QF	SF	—	—	—	—	R32	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	R32	—	—	—	—	—	R32	—	—	R16	—	—	—	—	—	—	—	—	—	—	QF	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	R16	—	R32	—	—	—	—	—	—
1983	33	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	R16	—	—	R64	—	—	—	—	—	R32	R64	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	R64	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	QF	—	—	—	R32	—	—	—	R32	—	—	—	R32	R64	—	R32	—	—	—	—	—	—
1984	34	—	—	—	—	—	—	R32	—	—	—	—	R64	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

ATP Ranking History full ranking history →

Career high

Career-high date

Aug 30, 1977

First top 100

Oct 1, 1973

First top 50

May 6, 1974

First top 20

Aug 30, 1977

First top 10

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Ranking History Matrix

Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1973	23	—	—	—	—	—	—	—	115	112	90	83	82
1974	24	—	—	83	67	47	42	45	44	43	—	42	40
1975	25	42	—	40	42	51	50	—	—	—	—	—	48
1976	26	—	—	—	—	—	42	—	—	—	—	—	60
1977	27	52	45	40	37	41	42	33	20	23	24	24	25
1978	28	23	34	35	31	38	38	52	79	78	88	100	98
1979	29	97	92	93	94	99	93	89	—	—	—	—	125
1980	30	—	—	—	—	—	—	—	—	—	—	—	189
1981	31	—	—	80	78	76	72	66	82	79	93	53	52
1982	32	50	51	58	56	60	56	61	64	60	60	50	94
1983	33	92	85	85	94	77	78	71	78	85	100	92	98
1984	34	115	—	—	—	—	189	268	277	289	298	293	520
1985	35	519	569	630	628	512	531	585	589	588	581	586	580
1986	36	577	571	575	565	—	—	799	839	853	856	855	870
1987	37	870	875	866	888	890	903	920	—	—	—	—	—

Similar Players

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

Player	Country	Peak Rank	Peak Elo	Titles	M	W	L	Win %	Active Years	Match Log
M. Riessen	USA	11	2,101	15	849	533	316	62.8%	1968-1981	Match log
C. Richey	USA	16	2,112	23	712	488	224	68.5%	1968-1979	Match log
T. Wilkison	USA	23	1,894	6	592	294	298	49.7%	1977-1993	Match log
J. Fillol	CHI	14	2,041	7	899	532	367	59.2%	1968-1983	Match log
T. Smid	CZE	11	1,998	10	815	497	318	61.0%	1976-1989	Match log
P. Dent	AUS	17	1,953	3	769	418	351	54.4%	1968-1983	Match log
M. Cox	GBR	12	2,009	15	682	408	274	59.8%	1968-1981	Match log
C. Drysdale	RSA	13	2,134	8	655	402	253	61.4%	1968-1980	Match log
V. Amritraj	IND	18	2,005	16	684	390	294	57.0%	1970-1993	Match log
B. Taroczy	HUN	12	2,003	13	609	381	228	62.6%	1972-1986	Match log
O. Parun	NZL	19	1,990	6	717	375	342	52.3%	1968-1982	Match log
R. Taylor	GBR	11	2,004	9	665	369	296	55.5%	1968-1980	Match log

Frequently Asked Questions

How old is J. Borowiak?: J. Borowiak is 76 years old, born on September 25, 1949.
Which country is J. Borowiak from?: J. Borowiak is from United States.
How tall is J. Borowiak?: J. Borowiak is 193 cm / 6'4".
Is J. Borowiak left-handed or right-handed?: J. Borowiak plays right-handed.
How many Grand Slams has J. Borowiak won?: J. Borowiak has not won a Grand Slam title.
How many Masters 1000 titles has J. Borowiak won?: J. Borowiak has won 1 Masters 1000 title. The most recent was Toronto in 1977.
How many ATP titles has J. Borowiak won?: J. Borowiak has won 5 ATP singles titles across all categories. The most recent other title was Gstaad in 1977.
What is J. Borowiak's highest ATP ranking?: J. Borowiak's career-high ATP singles ranking is world No. 20, first achieved on August 30, 1977.
What is J. Borowiak's career win-loss record?: J. Borowiak has a career ATP singles record of 289 wins and 305 losses (48.7%).
How much career prize money has J. Borowiak earned?: J. Borowiak has earned at least $598 in career prize money from professional tennis.
When did J. Borowiak play professional tennis?: J. Borowiak turned professional in 1968 and was active through 1984.
What is J. Borowiak's best surface?: J. Borowiak's best surface is clay court with a 51.9% win rate (97W-90L).
Who is J. Borowiak's biggest rival?: J. Borowiak's most frequent opponent is J. Connors, with a head-to-head record of 3–8 across 11 meetings.