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

Ralph Kok

NED Age 58 Plays: Right-Handed ATP Tour years active: 1989–1993

Ralph Kok represented the Netherlands on the ATP Tour and reached a career high of No. 243. TennisDB's records show a singles record of 1–4 and no singles titles.

Peak singles rank

243 (Jul 10, 1989)

Elo peak

1500 (3rd percentile)

Singles record

1–4 (20.0%)

Singles titles

Prize money

$36,729

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 →

Ralph Kok's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Omar Camporese #71	2-6 2-6	L	H2H	Match data	Feb 26, 1993*	R16	ABN AMRO Open	ATP World Series → modern equivalent ATP 250	Carpet
Patrik Kuhnen #68	6-4 6-4	W	H2H	Match data	Feb 25, 1993*	R32	ABN AMRO Open	ATP World Series → modern equivalent ATP 250	Carpet
Dan Goldie #59	5-7 1-6 5-7	L	H2H	Match data	Jun 27, 1990*	R128	Wimbledon	Grand Slam	Grass
Tomas Carbonell #95	1-6 2-6	L	H2H	Match data	Jul 27, 1989*	R32	Dutch Open	ATP 250	Clay
Paolo Cane #79	3-6 6-3 6-7	L	H2H	Match data	Feb 9, 1989*	R32	ABN AMRO Open	ATP 250	Carpet

Rivals all rivalries →

Ralph Kok's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Omar Camporese	0	1	1	Feb 26, 1993	H2H
Patrik Kuhnen	1	0	1	Feb 25, 1993	H2H
Dan Goldie	0	1	1	Jun 27, 1990	H2H
Tomas Carbonell	0	1	1	Jul 27, 1989	H2H
Paolo Cane	0	1	1	Feb 9, 1989	H2H

Career Results

Ralph Kok career results by season
Season	Age	W	L	M	Win %	Start Rank	End Rank
1989	21	0	2	2	0.0%	415	299
1990	22	0	1	1	0.0%	290	466
1993	25	1	1	2	50.0%	524	597
Career		1	4	5	20.0%	—	—

Career Results by Surface

Ralph Kok 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 %
1989	21	—	—	—	—	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%	0	2	2	0.0%
1990	22	—	—	—	—	—	—	—	—	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%
1993	25	—	—	—	—	—	—	—	—	—	—	—	—	1	1	2	50.0%	1	1	2	50.0%
Career	—	—	—	—	—	0	1	1	0.0%	0	1	1	0.0%	1	2	3	33.3%	1	4	5	20.0%

Career Results by Opponent Rank

Ralph Kok 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 %
1989	21	0	0	—	—	0	0	—	—	0	2	2	0.0%	0	0	—	—	0	2	2	0.0%
1990	22	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
1993	25	0	0	—	—	0	0	—	—	1	1	2	50.0%	0	0	—	—	1	1	2	50.0%
Career		0	0	—	—	0	0	—	—	1	4	5	20.0%	0	0	—	—	1	4	5	20.0%

Performance Stats

Ralph Kok 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%
1993	25	2/2	7.5	3.0	46.9%	74.6%	46.4%	75.0%	25.0%	59.4%	26.2%
Career		2/5	7.5	3.0	46.9%	74.6%	46.4%	75.0%	25.0%	59.4%	26.2%

Detailed serve and return statistics available for 2/5 (40.0%) of Ralph Kok's ATP main draw matches.

Advanced Stats

Ralph Kok 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
1989	21	1482	101.4	—	—	—	—	—	—	—	20.0%	-2.00	0–1	0–1	—	-0.01
1990	22	1469	102.6	—	—	—	—	—	—	—	0.0%	-3.00	—	—	—	+0.01
1993	25	1488	106.6	-1.82	-1.32	0.646	44.4%	—	—	—	50.0%	-1.00	—	—	—	-0.06
Career		1500	105.0	-1.82	-1.32	0.646	44.4%	—	—	—	25.0%	-1.92	0–1	0–1	—	-1.20

Tournament Results by Category

Grand Slams

Ralph Kok Grand Slams results by season
Season	Age	W	W-L Win %
1990	22	R128	0–1 (0%)
W-L		0–1 (0%)	0–1 (0%)

ATP 250

Ralph Kok ATP 250 results by season
Season	Age	ROT	DUT	W-L Win %
1989	21	R32	R32	0–2 (0%)
1993	25	R16	—	1–1 (50%)
W-L		1–2 (33%)	0–1 (0%)	1–3 (25%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Career high

243

Career-high date

Jul 10, 1989

First Top 100

—

First Top 50

—

First Top 20

—

First Top 10

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Ranking History Matrix

Ralph Kok ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1986	18	—	—	—	—	—	—	—	839	853	856	855	870
1987	19	870	875	866	888	890	903	600	634	554	550	558	573
1988	20	570	543	544	504	499	509	607	522	499	509	411	412
1989	21	414	392	369	263	262	252	269	273	293	312	309	299
1990	22	290	303	320	369	389	428	383	373	395	394	396	466
1991	23	466	475	478	745	754	767	767	—	—	—	—	—
1993	25	—	—	528	534	548	566	573	579	579	599	602	597
1994	26	594	593	—	—	—	—	—	—	—	—	—	—

Similar Players

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

Ralph Kok's most statistically similar ATP players
Player	Country	Peak ranking	Peak Elo	M	W	L	Win %	Prize money	Years	Rivalries	Match log
Federico Mordegan	ITA	#243	1,500	11	2	9	18.2%	$236,608	1989–1994	Rivalries	Match log
Morten Christensen	DEN	#250	1,521	8	2	6	25.0%	$46,884	1987–1996	Rivalries	Match log
Tom Kempers	NED	#253	1,500	9	2	7	22.2%	$494,330	1990–1997	Rivalries	Match log
Royce Deppe	RSA	#224	1,501	4	1	3	25.0%	$192,064	1989–1990	Rivalries	Match log
Malcolm Allen	USA	#217	1,513	6	1	5	16.7%	$14,760	1989–1989	Rivalries	Match log
Axel Finnberg	GER	#231	1,503	5	1	4	20.0%	$21,769	1992–1994	Rivalries	Match log
Ofer Sela	ISR	#236	1,508	5	1	4	20.0%	$63,483	1991–1995	Rivalries	Match log
Eui Jong Chang	KOR	#245	1,518	10	2	8	20.0%	$25,850	1991–1995	Rivalries	Match log
Richard Schmidt	USA	#240	1,500	13	1	12	7.7%	$98,332	1987–1993	Rivalries	Match log
George Kalovelonis	GRE	#208	1,541	14	3	11	21.4%	$27,582	1983–1994	Rivalries	Match log
Greg Failla	USA	#249	1,517	5	1	4	20.0%	$34,837	1987–1990	Rivalries	Match log
Damir Buljevic	CRO	#204	1,501	4	1	3	25.0%	$10,394	1988–1993	Rivalries	Match log

Frequently Asked Questions

How old is Ralph Kok?: Ralph Kok is 58 years old, born on October 18, 1967.
Which country does Ralph Kok represent?: Ralph Kok represents Netherlands in TennisDB's ATP records.
Is Ralph Kok left-handed or right-handed?: Ralph Kok plays right-handed.
How many Grand Slam singles titles has Ralph Kok won?: Ralph Kok has not won a Grand Slam singles title.
How many Masters 1000 titles has Ralph Kok won?: TennisDB does not group any of Ralph Kok's titles under the modern Masters 1000 category.
What is Ralph Kok's highest ATP ranking?: Ralph Kok's career-high ATP singles ranking is world No. 243, first achieved on July 10, 1989.
What is Ralph Kok's career win-loss record?: Ralph Kok has a career ATP singles record of 1 wins and 4 losses (20.0%).
How much career prize money has Ralph Kok earned?: Ralph Kok has earned at least $36,729 in career prize money from professional tennis.
Which seasons of Ralph Kok's career appear in TennisDB?: Ralph Kok appears in TennisDB's ATP main-tour match records from 1989 through 1993.
Who has Ralph Kok faced most often?: Ralph Kok's most frequent opponent is Omar Camporese, with a head-to-head record of 0–1 across 1 meeting.