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

Deon Joubert

RSA Age 73 Plays: Left-Handed ATP Tour years active: 1971–1984

Deon Joubert represented South Africa on the ATP Tour and reached a career high of No. 52. TennisDB's records show a singles record of 39–76 and no singles titles.

Peak singles rank

52 (Nov 20, 1978)

Elo peak

1633 (40th percentile)

Singles record

39–76 (33.9%)

Singles titles

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 →

Deon Joubert's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Hans Gildemeister	3-6 2-6	L	—	Match data	Jul 18, 1984*	R64	U.S. Pro Tennis Championships	ATP 250	Clay
Ilie Nastase #93	1-6 6-2 4-6	L	H2H	Match data	Jul 22, 1982*	R32	Dutch Open	ATP 250	Clay
Mark Edmondson #48	6-7 4-6	L	H2H	Match data	Aug 6, 1981*	R32	Indianapolis	ATP 250	Clay
Glen Holroyd	6-4 6-1	W	H2H	Match data	Aug 5, 1981*	R64	Indianapolis	ATP 250	Clay
Jose Higueras #28	0-6 1-6	L	H2H	Match data	Jul 22, 1981*	R64	Washington Open	ATP 250	Clay

Rivals all rivalries →

Deon Joubert's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Andrew Pattison	2	2	4	Apr 10, 1981	—
David Schneider	2	2	4	Jul 12, 1979	H2H
Sherwood Stewart	1	3	4	Feb 1, 1979	—
Roscoe Tanner	0	3	3	Jan 31, 1980	H2H
Zeljko Franulovic	0	3	3	Apr 5, 1979	H2H

Career Results

Deon Joubert career results by season
Season	Age	W	L	M	Win %	Start Rank	End Rank
1971	18	1	1	2	50.0%	—	—
1973	20	2	3	5	40.0%	—	—
1974	21	2	1	3	66.7%	134	176
1975	22	0	3	3	0.0%	188	238
1976	23	4	5	9	44.4%	272	154
1977	24	4	16	20	20.0%	100	97
1978	25	4	7	11	36.4%	132	56
1979	26	12	22	34	35.3%	55	111
1980	27	7	12	19	36.8%	98	144
1981	28	3	4	7	42.9%	—	—
1982	29	0	1	1	0.0%	—	—
1984	31	0	1	1	0.0%	390	463
Career		39	76	115	33.9%	—	—

Career Results by Surface

Deon Joubert 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 %
1971	18	1	1	2	50.0%	—	—	—	—	—	—	—	—	—	—	—	—	1	1	2	50.0%
1973	20	0	1	1	0.0%	—	—	—	—	2	2	4	50.0%	—	—	—	—	2	3	5	40.0%
1974	21	2	1	3	66.7%	—	—	—	—	—	—	—	—	—	—	—	—	2	1	3	66.7%
1975	22	0	1	1	0.0%	0	2	2	0.0%	—	—	—	—	—	—	—	—	0	3	3	0.0%
1976	23	1	1	2	50.0%	3	4	7	42.9%	—	—	—	—	—	—	—	—	4	5	9	44.4%
1977	24	—	—	—	—	4	14	18	22.2%	0	2	2	0.0%	—	—	—	—	4	16	20	20.0%
1978	25	1	2	3	33.3%	3	4	7	42.9%	—	—	—	—	0	1	1	0.0%	4	7	11	36.4%
1979	26	7	4	11	63.6%	1	8	9	11.1%	0	1	1	0.0%	4	9	13	30.8%	12	22	34	35.3%
1980	27	2	4	6	33.3%	4	4	8	50.0%	1	1	2	50.0%	0	3	3	0.0%	7	12	19	36.8%
1981	28	2	1	3	66.7%	1	3	4	25.0%	—	—	—	—	—	—	—	—	3	4	7	42.9%
1982	29	—	—	—	—	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%
1984	31	—	—	—	—	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%
Career	—	16	16	32	50.0%	16	41	57	28.1%	3	6	9	33.3%	4	13	17	23.5%	39	76	115	33.9%

Career Results by Opponent Rank

Deon Joubert 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 %
1975	22	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
1977	24	0	2	2	0.0%	0	3	3	0.0%	2	3	5	40.0%	1	0	1	100.0%	3	8	11	27.3%
1978	25	0	0	—	—	0	2	2	0.0%	1	4	5	20.0%	0	0	—	—	1	6	7	14.3%
1979	26	0	5	5	0.0%	0	4	4	0.0%	4	4	8	50.0%	0	0	—	—	4	13	17	23.5%
1980	27	0	2	2	0.0%	0	1	1	0.0%	0	4	4	0.0%	0	0	—	—	0	7	7	0.0%
1981	28	0	0	—	—	0	1	1	0.0%	0	1	1	0.0%	0	0	—	—	0	2	2	0.0%
1982	29	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
Career		0	9	9	0.0%	0	11	11	0.0%	7	18	25	28.0%	1	0	1	100.0%	8	38	46	17.4%

Opponent ranking data available for 46/115 (40.0%) of Deon Joubert's ATP main draw matches.

Advanced Stats

Deon Joubert 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
1971	18	1497	104.2	—	—	—	—	—	—	—	57.1%	+1.86	—	0–2	—	+0.16
1973	20	1502	98.2	—	—	—	—	—	—	+47	42.1%	-0.47	1–1	0–1	—	+0.45
1974	21	1547	107.7	—	—	—	—	+32	—	—	66.7%	0.00	—	—	—	+0.05
1975	22	1513	97.6	—	—	—	—	—	—	—	0.0%	-3.17	—	0–1	—	+0.10
1976	23	1553	112.7	—	—	—	—	—	-11	—	40.0%	-1.20	2–0	2–0	—	+0.22
1977	24	1511	121.0	—	—	—	—	—	-27	—	27.7%	-1.36	1–4 (20%)	0–2	—	-0.95
1978	25	1526	107.9	—	—	—	—	+34	-16	—	33.3%	-1.42	2–0	1–1	—	+0.46
1979	26	1542	127.8	—	—	—	—	+88	-95	—	39.3%	-0.68	8–8 (50%)	4–5 (44%)	100.0	+1.30
1980	27	1522	107.4	—	—	—	—	+53	-30	—	34.2%	-1.74	1–1	2–0	—	+1.42
1981	28	1537	109.8	—	—	—	—	+65	-58	—	47.1%	-0.06	1–2 (33%)	0–2	—	+0.40
1982	29	1524	103.4	—	—	—	—	—	—	—	33.3%	-1.00	0–1	—	—	+0.08
1984	31	1516	102.1	—	—	—	—	—	—	—	0.0%	-3.50	—	—	—	-0.12
Career		1633	120.8	—	—	—	—	+70	-38	+47	36.6%	-0.99	16–17 (48%)	9–14 (39%)	97.8	+3.13

Tournament Results by Category

Grand Slams

Deon Joubert Grand Slams results by season
Season	Age	RG	W	USO	W-L Win %
1973	20	—	R32	—	2–1 (67%)
1977	24	—	R128	R128	0–2 (0%)
1978	25	—	—	R128	0–1 (0%)
1979	26	R128	—	—	0–1 (0%)
W-L		0–1 (0%)	2–2 (50%)	0–2 (0%)	2–5 (29%)

ATP 500

Deon Joubert ATP 500 results by season
Season	Age	ITA	W-L Win %
1979	26	R64	0–1 (0%)
W-L		0–1 (0%)	0–1 (0%)

ATP 250

Deon Joubert ATP 250 results by season
Season	Age	ATL	CIN	GEN	GST	AUS	MAD	MIA	NAP	NWP	PAR	QUE	ROT	STU	WAS	AIX	BEC	BER	BER	BIR	BOU	BRU	CLE	COL	COL	DUT	FRA	JOH	JOH	LOS	LOU	EAS	MEM	MIL	NEW	NOR	PHI	RIC	SAR	SOU	SOU	TEH	CAN	U.S	W-L Win %
1971	18	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	1–1 (50%)
1973	20	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	0–2 (0%)
1974	21	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2–1 (67%)
1975	22	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	0–3 (0%)
1976	23	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	R32	—	R16	—	—	4–5 (44%)
1977	24	—	—	—	R16	R32	—	R32	—	—	R32	R64	—	—	R64	R32	—	—	—	—	—	R32	—	—	R16	—	—	—	—	—	R64	—	—	—	—	R64	—	—	—	—	—	R32	R64	R64	4–14 (22%)
1978	25	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	R64	R64	—	—	—	—	—	—	—	—	R16	QF	—	—	—	4–6 (40%)
1979	26	—	—	—	—	—	—	—	R64	R32	—	—	R32	—	R32	—	—	R32	—	R16	—	R32	R32	—	—	—	—	F	—	—	QF	—	R64	R32	R16	R64	R64	R16	R16	R32	—	—	—	R32	12–19 (39%)
1980	27	R32	—	R32	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	R32	—	—	R32	—	—	R32	QF	—	—	—	R32	—	R32	—	—	—	R32	SF	—	R16	—	—	—	7–12 (37%)
1981	28	—	—	—	—	—	—	—	R32	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	3–4 (43%)
1982	29	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0–1 (0%)
1984	31	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	0–1 (0%)
W-L		0–1 (0%)	1–1 (50%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	1–3 (25%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–3 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	1–1 (50%)	0–2 (0%)	0–2 (0%)	0–1 (0%)	0–2 (0%)	2–1 (67%)	0–1 (0%)	0–1 (0%)	8–3 (73%)	2–1 (67%)	0–1 (0%)	3–4 (43%)	1–1 (50%)	0–1 (0%)	0–2 (0%)	1–1 (50%)	0–2 (0%)	0–1 (0%)	1–2 (33%)	4–2 (67%)	3–6 (33%)	3–2 (60%)	3–2 (60%)	0–1 (0%)	1–4 (20%)	37–69 (35%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Career high

Career-high date

Nov 20, 1978

First Top 100

Apr 25, 1977

First Top 50

—

First Top 20

—

First Top 10

—

Ranking History Matrix

Deon Joubert ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1974	21	—	—	—	—	134	128	171	175	179	—	175	176
1975	22	188	—	194	206	—	265	—	—	—	—	—	238
1976	23	—	—	—	—	—	272	—	—	—	—	—	154
1977	24	—	—	—	100	68	68	80	87	97	—	—	—
1978	25	125	—	—	93	—	99	67	58	54	54	52	56
1979	26	55	59	62	64	64	80	97	—	—	100	—	111
1980	27	—	—	—	—	—	—	76	99	—	—	—	144
1983	30	337	—	—	—	—	—	—	—	—	—	—	—
1984	31	390	—	—	—	—	562	455	481	467	459	451	463
1985	32	466	480	494	496	512	632	739	—	—	—	—	—

Similar Players

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

Deon Joubert's most statistically similar ATP players
Player	Country	Peak ranking	Peak Elo	M	W	L	Win %	Prize money	Titles	Years	Rivalries	Match log
Rick Fagel	USA	#60	1,615	146	47	99	32.2%	$64,787	0	1972–1983	Rivalries	Match log
Robin Drysdale	GBR	#60	1,618	112	35	77	31.3%	$9,754	0	1972–1981	Rivalries	Match log
John Yuill	RSA	#52	1,740	238	95	143	39.9%	—	0	1968–1981	Rivalries	Match log
Tony Giammalva	USA	#54	1,737	132	54	78	40.9%	$307,994	0	1976–1985	Rivalries	Match log
Ferdi Taygan	USA	#59	1,745	195	74	121	37.9%	$668,104	0	1973–1983	Rivalries	Match log
Mike Fishbach	USA	#47	1,593	59	17	42	28.8%	—	0	1975–1982	Rivalries	Match log
Mike Cahill	USA	#58	1,727	256	100	156	39.1%	—	0	1974–1983	Rivalries	Match log
Chris Delaney	USA	#48	1,706	60	26	34	43.3%	—	0	1973–1981	Rivalries	Match log
Matt Mitchell	USA	#53	1,718	163	60	103	36.8%	$303,978	1	1976–1986	Rivalries	Match log
Hans Simonsson	SWE	#45	1,698	116	42	74	36.2%	$325,035	0	1978–1985	Rivalries	Match log
Jean Louis Haillet	FRA	#68	1,668	140	48	92	34.3%	—	0	1972–1983	Rivalries	Match log
Keith Richardson	USA	#63	1,538	61	18	43	29.5%	—	0	1976–1979	Rivalries	Match log

Frequently Asked Questions

How old is Deon Joubert?: Deon Joubert is 73 years old, born on June 10, 1953.
Which country does Deon Joubert represent?: Deon Joubert represents South Africa in TennisDB's ATP records.
Is Deon Joubert left-handed or right-handed?: Deon Joubert plays left-handed.
How many Grand Slam singles titles has Deon Joubert won?: Deon Joubert has not won a Grand Slam singles title.
How many Masters 1000 titles has Deon Joubert won?: TennisDB does not group any of Deon Joubert's titles under the modern Masters 1000 category.
What is Deon Joubert's highest ATP ranking?: Deon Joubert's career-high ATP singles ranking is world No. 52, first achieved on November 20, 1978.
What is Deon Joubert's career win-loss record?: Deon Joubert has a career ATP singles record of 39 wins and 76 losses (33.9%).
Which seasons of Deon Joubert's career appear in TennisDB?: Deon Joubert appears in TennisDB's ATP main-tour match records from 1971 through 1984.
On which surface does Deon Joubert have the highest recorded win rate?: Among surfaces with at least 20 recorded matches, Deon Joubert's highest ATP main-draw win rate is on hard: 50.0% (16–16).
Who has Deon Joubert faced most often?: Deon Joubert's most frequent opponent is Andrew Pattison, with a head-to-head record of 2–2 across 4 meetings.