Player data updated: 2026-09-01 02:16 UTC

Izak Van der Merwe

RSA Age 42 196 cm / 6'5" Plays: Right-Handed ATP Tour years active: 2008–2012

Izak Van der Merwe represented South Africa on the ATP Tour and reached a career-high ranking of No. 113. In TennisDB's records, Izak Van der Merwe finished with a career record of 7–7 and no singles titles.

Peak ranking

113 (Aug 1, 2011)

Elo peak

1584 (28th percentile)

Career record

7–7 (50.0%)

Career titles

Prize money

$430,017

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 →

Izak Van der Merwe's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Simon Stadler #919	6-3 2-6 2-6	L	H2H	Match data	Feb 11, 2013	Q1 Q	San Jose	ATP 250	Hard
Damir Dzumhur #245	3-6 4-6	L	H2H	Match data	Jan 14, 2013	Q1 Q	Australian Open	Grand Slam	Hard
Lukas Rosol #75	4-6 2-6	L	H2H	Match data	Jan 7, 2013	Q1 Q	ASB Classic	ATP 250	Hard
Rik De Voest #173	4-6 6-3 4-6	L	H2H	Match data	Aug 27, 2012	Q1 Q	US Open	Grand Slam	Hard
John Isner #11	4-6 6-7(2)	L	H2H	Match data	Jul 14, 2012*	QF	Newport	ATP 250	Grass

Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.

Rivals all rivalries →

Izak Van der Merwe's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Stephane Robert	1	1	2	Feb 3, 2011	H2H
John Isner	0	1	1	Jul 14, 2012	H2H
Jack Sock	1	0	1	Jul 13, 2012	H2H
Gilles Muller	1	0	1	Jul 12, 2012	H2H
Tobias Kamke	0	1	1	Feb 16, 2012	H2H

Career Results

Izak Van der Merwe career results by season
Season	Age	Type	W	L	M	Win %	Start Rank	End Rank
2008	24	Qualifying Q	4	2	6	66.7%	—	—
2008	24	ATP	0	1	1	0.0%	297	304
2009	25	Qualifying Q	2	3	5	40.0%	—	—
2009	25	ATP	1	1	2	50.0%	304	272
2010	26	Qualifying Q	7	7	14	50.0%	—	—
2010	26	ATP	1	1	2	50.0%	274	174
2011	27	Qualifying Q	4	8	12	33.3%	—	—
2011	27	ATP	3	1	4	75.0%	174	113
2012	28	Qualifying Q	9	9	18	50.0%	—	—
2012	28	ATP	2	3	5	40.0%	113	214
2013	29	Qualifying Q	0	3	3	0.0%	—	—
Career		—	7	7	14	50.0%	—	—

Career Results by Surface

Izak Van der Merwe career results by season and surface
Season	Age	Type	Hard				Clay				Grass				Total
Season	Age	Type	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
2008	24	Qualifying Q	0	1	1	0.0%	—	—	—	—	4	1	5	80.0%	4	2	6	66.7%
2008	24	ATP	—	—	—	—	—	—	—	—	0	1	1	0.0%	0	1	1	0.0%
2009	25	Qualifying Q	1	1	2	50.0%	—	—	—	—	1	2	3	33.3%	2	3	5	40.0%
2009	25	ATP	1	1	2	50.0%	—	—	—	—	—	—	—	—	1	1	2	50.0%
2010	26	Qualifying Q	3	4	7	42.9%	—	—	—	—	4	3	7	57.1%	7	7	14	50.0%
2010	26	ATP	1	1	2	50.0%	—	—	—	—	—	—	—	—	1	1	2	50.0%
2011	27	Qualifying Q	3	6	9	33.3%	1	1	2	50.0%	0	1	1	0.0%	4	8	12	33.3%
2011	27	ATP	3	1	4	75.0%	—	—	—	—	—	—	—	—	3	1	4	75.0%
2012	28	Qualifying Q	4	7	11	36.4%	0	1	1	0.0%	5	1	6	83.3%	9	9	18	50.0%
2012	28	ATP	0	2	2	0.0%	—	—	—	—	2	1	3	66.7%	2	3	5	40.0%
2013	29	Qualifying Q	0	3	3	0.0%	—	—	—	—	—	—	—	—	0	3	3	0.0%
Career	—	—	5	5	10	50.0%	—	—	—	—	2	2	4	50.0%	7	7	14	50.0%

Career Results by Opponent Rank

Izak Van der Merwe 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 %
2008	24	0	0	—	—	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	1	1	0.0%
2009	25	0	0	—	—	0	0	—	—	0	0	—	—	1	1	2	50.0%	1	1	2	50.0%
2010	26	0	0	—	—	0	0	—	—	0	1	1	0.0%	1	0	1	100.0%	1	1	2	50.0%
2011	27	0	0	—	—	0	0	—	—	1	0	1	100.0%	2	1	3	66.7%	3	1	4	75.0%
2012	28	0	0	—	—	0	1	1	0.0%	1	2	3	33.3%	1	0	1	100.0%	2	3	5	40.0%
Career		0	0	—	—	0	1	1	0.0%	2	3	5	40.0%	5	3	8	62.5%	7	7	14	50.0%

Performance Stats

Izak Van der Merwe 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%
2008	24	1/1	7.0	2.0	59.0%	65.2%	37.5%	30.0%	28.6%	53.8%	37.3%
2009	25	2/2	12.0	4.5	58.1%	79.5%	54.5%	35.0%	61.1%	69.3%	34.3%
2010	26	2/2	8.0	2.5	54.3%	77.4%	58.6%	33.3%	16.7%	68.0%	34.6%
2011	27	4/4	6.3	7.5	52.9%	74.8%	50.5%	75.6%	34.0%	63.2%	37.8%
2012	28	5/5	5.2	3.2	56.1%	74.2%	54.5%	59.0%	19.1%	65.6%	30.0%
Career		14/14	7.0	4.4	55.4%	74.9%	52.7%	54.6%	29.7%	65.0%	34.0%

Advanced Stats

Izak Van der Merwe 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
2008	24	1517	101.3	-0.69	-3.86	0.807	44.4%	—	—	—	0.0%	-3.33	—	—	—	+0.15
2009	25	1518	108.3	-1.42	+0.01	1.117	51.2%	—	—	—	60.0%	0.00	0–1	3–1 (75%)	—	+0.22
2010	26	1523	102.0	+0.43	-2.83	1.083	49.2%	—	—	—	50.0%	-1.00	—	2–1 (67%)	—	+0.40
2011	27	1503	100.3	-0.75	-0.32	1.028	51.7%	+12	—	—	66.7%	+1.00	1–0	1–0	—	+0.83
2012	28	1564	106.2	-1.25	-1.30	0.872	47.6%	—	—	+163	36.4%	-0.82	1–0	1–2 (33%)	—	+0.40
2013	29	1521	96.8	—	—	—	—	—	—	—	—	—	—	—	—	—
Career		1584	104.1	-0.85	-1.23	0.971	49.3%	+12	—	+163	46.9%	-0.44	2–1 (67%)	7–4 (64%)	105.5	+14.29

Tournament Results by Category

Grand Slams

Izak Van der Merwe Grand Slams results by season
Season	Age	AO	RG	W	USO	W-L Win %
2008	24	—	—	R128	Q1	3–2 (60%)
2009	25	—	—	Q1	Q2	1–2 (33%)
2010	26	Q2	—	Q1	Q1	1–3 (25%)
2011	27	Q3	Q2	Q1	Q1	3–4 (43%)
2012	28	Q1	Q1	Q3	Q1	2–4 (33%)
2013	29	Q1	—	—	—	0–1 (0%)
W-L		3–4 (43%)	1–2 (33%)	5–5 (50%)	1–5 (17%)	10–16 (38%)

Masters 1000

Izak Van der Merwe Masters 1000 results by season
Season	Age	IW	MIA	W-L Win %
2011	27	Q2	Q1	1–2 (33%)
2012	28	Q2	—	1–1 (50%)
W-L		2–2 (50%)	0–1 (0%)	2–3 (40%)

ATP 500

Izak Van der Merwe ATP 500 results by season
Season	Age	MEM	W-L Win %
2012	28	Q1	0–1 (0%)
W-L		0–1 (0%)	0–1 (0%)

ATP 250

Izak Van der Merwe ATP 250 results by season
Season	Age	CHN	DLB	DOH	EAS	NWP	ASB	JOH	SAN	ZAG	W-L Win %
2008	24	—	—	—	—	Q2	—	—	—	—	1–1 (50%)
2009	25	—	—	—	—	Q2	—	R16	—	—	2–2 (50%)
2010	26	—	Q3	Q1	Q3	Q3	—	R16	—	—	7–5 (58%)
2011	27	—	Q1	—	—	—	Q1	SF	—	—	3–3 (50%)
2012	28	Q3	Q2	—	—	QF	Q1	—	R32	R32	8–6 (57%)
2013	29	—	—	—	—	—	Q1	—	Q1	—	0–2 (0%)
W-L		2–1 (67%)	3–3 (50%)	0–1 (0%)	2–1 (67%)	9–4 (69%)	0–3 (0%)	5–3 (62%)	0–2 (0%)	0–1 (0%)	21–19 (52%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Career high

113

Career-high date

Aug 1, 2011

First Top 100

—

First Top 50

—

First Top 20

—

First Top 10

—

Ranking History Matrix

Izak Van der Merwe ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	21	—	—	—	—	—	—	—	1351	1364	771	726	721
2006	22	715	707	718	677	596	594	563	562	556	494	442	444
2007	23	444	448	423	368	394	401	372	310	301	325	292	296
2008	24	294	279	290	292	287	285	273	248	263	255	303	304
2009	25	288	284	271	275	249	234	226	300	285	266	273	272
2010	26	302	293	289	222	276	262	257	154	155	171	174	174
2011	27	170	147	148	134	134	123	115	129	134	132	113	113
2012	28	118	129	128	158	161	162	152	190	189	183	213	214
2013	29	216	253	256	267	270	322	500	507	512	588	1109	—
2014	30	—	—	1929	2040	2015	2054	2082	2067	2063	2017	2024	2041
2015	31	2040	2037	1965	—	—	—	—	—	—	—	—	—

Similar Players

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

Izak Van der Merwe's most statistically similar ATP players
Player	Country	Peak Rank	Peak Elo	M	W	L	Win %	Years	Match Log
Sebastian Decoud	ARG	132	1,586	8	4	4	50.0%	2008–2011	Match log
Carsten Ball	AUS	108	1,687	20	8	12	40.0%	2008–2011	Match log
Lamine Ouahab	MAR	114	1,568	16	5	11	31.3%	2004–2018	Match log
Marc Lopez	ESP	106	1,630	52	21	31	40.4%	2001–2014	Match log
Rik De Voest	RSA	110	1,692	57	19	38	33.3%	2003–2013	Match log
Ivan Sergeyev	UKR	147	1,569	2	1	1	50.0%	2010–2010	Match log
Michael Ryderstedt	SWE	130	1,575	20	8	12	40.0%	2004–2012	Match log
Giovanni Lapentti	ECU	110	1,617	28	8	20	28.6%	2003–2017	Match log
Antonio Veic	CRO	119	1,718	32	10	22	31.3%	2008–2015	Match log
Sergio Gutierrez-Ferrol	ESP	156	1,623	4	2	2	50.0%	2011–2012	Match log
Stephane Bohli	SUI	113	1,647	21	2	19	9.5%	2004–2013	Match log
Andre Ghem	BRA	118	1,593	7	2	5	28.6%	2006–2016	Match log

Frequently Asked Questions

How old is Izak Van der Merwe?: Izak Van der Merwe is 42 years old, born on January 26, 1984.
Which country does Izak Van der Merwe represent?: Izak Van der Merwe represents South Africa in TennisDB's ATP records.
How tall is Izak Van der Merwe?: Izak Van der Merwe is 196 cm / 6'5".
Is Izak Van der Merwe left-handed or right-handed?: Izak Van der Merwe plays right-handed.
How many Grand Slams has Izak Van der Merwe won?: Izak Van der Merwe has not won a Grand Slam title.
How many Masters 1000 titles has Izak Van der Merwe won?: TennisDB does not group any of Izak Van der Merwe's titles under the modern Masters 1000 category.
What is Izak Van der Merwe's highest ATP ranking?: Izak Van der Merwe's career-high ATP singles ranking is world No. 113, first achieved on August 1, 2011.
What is Izak Van der Merwe's career win-loss record?: Izak Van der Merwe has a career ATP singles record of 7 wins and 7 losses (50.0%).
How much career prize money has Izak Van der Merwe earned?: Izak Van der Merwe has earned at least $430,017 in career prize money from professional tennis.
What turned-professional year does TennisDB record for Izak Van der Merwe?: TennisDB records 2005 as Izak Van der Merwe's turned-professional year.
Which seasons of Izak Van der Merwe's career appear in TennisDB?: Izak Van der Merwe appears in TennisDB's ATP main-tour match records from 2008 through 2012.
Who has Izak Van der Merwe faced most often?: Izak Van der Merwe's most frequent opponent is Stephane Robert, with a head-to-head record of 1–1 across 2 meetings.