Which country is Willem Prinsloo from?

Willem Prinsloo is from South Africa.

Is Willem Prinsloo left-handed or right-handed?

Willem Prinsloo plays left-handed.

How many Grand Slams has Willem Prinsloo won?

Willem Prinsloo has not won a Grand Slam title.

How many Masters 1000 titles has Willem Prinsloo won?

Willem Prinsloo has not won a Masters 1000 title.

What is Willem Prinsloo's highest ATP ranking?

Willem Prinsloo's career-high ATP singles ranking is world No. 81, first achieved on July 3, 1977.

What is Willem Prinsloo's career win-loss record?

Willem Prinsloo has a career ATP singles record of 13 wins and 33 losses (28.3%).

When did Willem Prinsloo play professional tennis?

Willem Prinsloo turned professional in 1971 and was active through 1979.

What is Willem Prinsloo's best surface?

Willem Prinsloo's best surface is hard court with a 40.0% win rate (8W-12L).

Who is Willem Prinsloo's biggest rival?

Willem Prinsloo's most frequent opponent is Bob Lutz, with a head-to-head record of 0–2 across 2 meetings.

Willem Prinsloo

RSA Died Jan 1, 2018 (age 63) Plays: Left-Handed Pro 1971–1979

Peak ranking

81 (Jul 3, 1977)

Elo peak

1549 (17.3%ile)

Career record

13–33 (28.3%)

Career titles

Recent ATP Matches full match log →

Date	Tournament	Category	Round	Surface	Opponent	Score	Result	H2H	Match
Nov 30, 1979*	Johannesburg	ATP 250	R32	Hard	Pascal Portes #71	5-7 3-6	L	H2H	Match data
Aug 30, 1979*	US Open	Grand Slam	R128	Hard	Tom Gullikson	3-6 4-6 2-6	L	—	Match data
Aug 16, 1979*	Cleveland	ATP 250	R32	Hard	Gene Malin #236	3-6 6-2 2-6	L	H2H	Match data
Aug 9, 1979*	Colombus	ATP 250	R32	Clay	Bob Lutz	2-6 2-6	L	—	Match data
Aug 2, 1979*	South Orange	ATP 250	R32	Clay	Chris Kachel #254	4-6 6-3 1-6	L	H2H	Match data

Rivals full rivalries list →

Opponent	W	L	M	Last Played	H2H
Bob Lutz	0	2	2	Aug 9, 1979	—
Onny Parun	1	1	2	Sep 4, 1977	H2H
Jeff Borowiak	1	1	2	Sep 2, 1977	H2H
John Alexander	0	2	2	Aug 19, 1977	H2H
Harold Solomon	0	2	2	Aug 2, 1977	H2H

Career Results

Season	Age	W	L	M	Win %	Start Rank	End Rank
1971	17	1	1	2	50.0%	—	—
1972	18	0	1	1	0.0%	—	—
1975	21	1	1	2	50.0%	300	282
1976	22	3	1	4	75.0%	154	154
1977	23	4	15	19	21.1%	89	144
1978	24	3	5	8	37.5%	144	122
1979	25	1	9	10	10.0%	265	265
Career		13	33	46	28.3%	—	—

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 %
1971	17	1	1	2	50.0%	—	—	—	—	—	—	—	—	—	—	—	—	1	1	2	50.0%
1972	18	0	1	1	0.0%	—	—	—	—	—	—	—	—	—	—	—	—	0	1	1	0.0%
1975	21	—	—	—	—	1	1	2	50.0%	—	—	—	—	—	—	—	—	1	1	2	50.0%
1976	22	3	1	4	75.0%	—	—	—	—	—	—	—	—	—	—	—	—	3	1	4	75.0%
1977	23	1	1	2	50.0%	3	12	15	20.0%	0	2	2	0.0%	—	—	—	—	4	15	19	21.1%
1978	24	2	3	5	40.0%	—	—	—	—	—	—	—	—	1	2	3	33.3%	3	5	8	37.5%
1979	25	1	5	6	16.7%	0	3	3	0.0%	—	—	—	—	0	1	1	0.0%	1	9	10	10.0%
Career	—	8	12	20	40.0%	4	16	20	20.0%	0	2	2	0.0%	1	3	4	25.0%	13	33	46	28.3%

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 %
1975	21	0	0	—	—	0	0	—	—	0	0	—	—	1	1	2	50.0%	1	1	2	50.0%
1976	22	0	1	1	0.0%	1	0	1	100.0%	0	0	—	—	1	0	1	100.0%	2	1	3	66.7%
1977	23	0	1	1	0.0%	2	4	6	33.3%	0	4	4	0.0%	2	4	6	33.3%	4	13	17	23.5%
1978	24	0	0	—	—	0	1	1	0.0%	0	2	2	0.0%	1	1	2	50.0%	1	4	5	20.0%
1979	25	0	0	—	—	0	0	—	—	0	2	2	0.0%	1	4	5	20.0%	1	6	7	14.3%
Career		0	2	2	0.0%	3	5	8	37.5%	0	8	8	0.0%	6	10	16	37.5%	9	25	34	26.5%

Opponent ranking data available for 34/46 (73.9%) of Willem Prinsloo'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%
1971	17	1517	73	—	—	—	42.9%	-1.13	52	0	—	0	1	—
1972	18	1488	51	—	—	—	25.0%	-0.75	5	0	—	0	0	—
1975	21	1491	48	—	—	—	60.0%	+0.75	9	0	—	1	0	—
1976	22	1547	68	68	—	—	66.7%	+0.83	52	100	—	0	0	—
1977	23	1500	48	—	21	—	23.3%	-2.25	52	0	33	2	1	67
1978	24	1499	49	63	—	—	36.8%	-1.42	18	0	67	2	0	—
1979	25	1428	5	18	7	—	26.9%	-1.68	27	0	0	0	0	—
Career		1483	39	51	22	—	32.7%	-1.71	38	3	31	5	2	71

Tournament Results by Category

Results show best round reached per tournament per season.

Grand Slams

Season	Age	RG	W	USO
1977	23	R128	R128	R64
1978	24	—	—	R64
1979	25	—	—	R128

Masters 1000

Season	Age	TOR
1977	23	R32

ATP 250

Season	Age	ATL	GST	KIT	PAR	QUE	WAS	BOS	BRU	CLE	COL	COL	HAR	JOH	JOH	JOH	LIT	LOU	NIC	NOR	SAN	SAR	SOU
1971	17	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—
1972	18	—	—	—	—	—	—	—	—	—	—	—	—	R128	—	—	—	—	—	—	—	—	—
1975	21	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—
1976	22	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—
1977	23	—	R32	R32	R32	R64	R64	R64	R32	—	—	R32	—	—	—	R16	—	R64	—	R64	—	—	—
1978	24	R32	—	—	—	—	—	—	—	R16	—	—	R16	—	—	—	—	—	—	—	R64	—	—
1979	25	—	—	—	—	—	R64	—	—	R32	R32	—	—	R16	—	—	R32	—	—	—	—	R32	R32

ATP Ranking History full ranking history →

Career high

Career-high date

Jul 3, 1977

First top 100

May 23, 1977

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
1975	21	—	—	—	—	—	300	—	—	—	—	—	282
1976	22	—	—	—	—	—	—	—	—	—	—	—	154
1977	23	—	—	—	—	89	85	87	93	97	99	97	—
1978	24	140	—	—	—	—	—	99	97	96	—	—	122
1979	25	—	—	—	—	—	—	—	—	—	—	—	265
1982	28	332	—	—	—	—	—	—	—	—	—	—	—

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
Robert Maud	RSA	57	1,804	3	254	123	131	48.4%	1968-1975	Match log
Byron Bertram	RSA	57	1,810	0	251	113	138	45.0%	1969-1980	Match log
John Yuill	RSA	52	1,737	0	236	94	142	39.8%	1968-1981	Match log
Ion Tiriac	ROU	55	1,899	8	418	228	190	54.5%	1968-1979	Match log
Bob Carmichael	AUS	55	1,903	1	471	215	256	45.6%	1968-1979	Match log
Georges Goven	FRA	56	1,871	1	433	203	230	46.9%	1968-1984	Match log
Gerald Battrick	GBR	59	1,888	4	386	186	200	48.2%	1968-1976	Match log
Pierre Barthes	FRA	57	1,887	0	375	185	190	49.3%	1968-1977	Match log
Hans Kary	AUT	54	1,772	1	366	150	216	41.0%	1968-1982	Match log
Patricio Cornejo	CHI	65	1,708	0	344	142	202	41.3%	1968-1978	Match log
Jim Mcmanus	USA	90	1,730	0	354	132	222	37.3%	1968-1978	Match log
Syd Ball	AUS	63	1,725	0	307	126	181	41.0%	1968-1982	Match log

Frequently Asked Questions

Which country is Willem Prinsloo from?: Willem Prinsloo is from South Africa.
Is Willem Prinsloo left-handed or right-handed?: Willem Prinsloo plays left-handed.
How many Grand Slams has Willem Prinsloo won?: Willem Prinsloo has not won a Grand Slam title.
How many Masters 1000 titles has Willem Prinsloo won?: Willem Prinsloo has not won a Masters 1000 title.
What is Willem Prinsloo's highest ATP ranking?: Willem Prinsloo's career-high ATP singles ranking is world No. 81, first achieved on July 3, 1977.
What is Willem Prinsloo's career win-loss record?: Willem Prinsloo has a career ATP singles record of 13 wins and 33 losses (28.3%).
When did Willem Prinsloo play professional tennis?: Willem Prinsloo turned professional in 1971 and was active through 1979.
What is Willem Prinsloo's best surface?: Willem Prinsloo's best surface is hard court with a 40.0% win rate (8W-12L).
Who is Willem Prinsloo's biggest rival?: Willem Prinsloo's most frequent opponent is Bob Lutz, with a head-to-head record of 0–2 across 2 meetings.