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

Mark Keil

USA Age 59 185 cm / 6'1" Plays: Right-Handed ATP Tour years active: 1988–1994

Mark Keil represented the United States on the ATP Tour and reached a career-high ranking of No. 167. In TennisDB's records, Mark Keil finished with a career record of 4–8 and no singles titles.

Peak ranking

167 (Jul 22, 1991)

Elo peak

1546 (16th percentile)

Career record

4–8 (33.3%)

Career titles

Prize money

$749,587

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 →

Mark Keil's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Andre Agassi #32	1-6 2-6	L	H2H	Match data	Feb 24, 1994*	R32	Scottsdale	ATP 250	Hard
Mark Petchey #226	4-6 7-6(8) 1-6 1-6	L	H2H	Match data	Jun 23, 1993*	R128	Wimbledon	Grand Slam	Grass
Richard Fromberg #78	1-6 6-3 3-6 6-7(6)	L	H2H	Match data	Jan 22, 1993*	R64	Australian Open	Grand Slam	Hard
Nicolas Pereira #130	7-6(5) 1-6 6-0 6-2	W	H2H	Match data	Jan 20, 1993*	R128	Australian Open	Grand Slam	Hard
Marc Rosset #56	6-7(4) 4-6	L	H2H	Match data	Feb 27, 1992*	R32	Scottsdale	ATP 250	Hard

Rivals all rivalries →

Mark Keil's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Andre Agassi	0	1	1	Feb 24, 1994	H2H
Mark Petchey	0	1	1	Jun 23, 1993	H2H
Richard Fromberg	0	1	1	Jan 22, 1993	H2H
Nicolas Pereira	1	0	1	Jan 20, 1993	H2H
Marc Rosset	0	1	1	Feb 27, 1992	H2H

Career Results

Mark Keil career results by season
Season	Age	W	L	M	Win %	Start Rank	End Rank
1988	21	0	1	1	0.0%	291	885
1991	24	3	3	6	50.0%	274	200
1992	25	0	1	1	0.0%	202	742
1993	26	1	2	3	33.3%	742	537
1994	27	0	1	1	0.0%	537	878
Career		4	8	12	33.3%	—	—

Career Results by Surface

Mark Keil 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 %
1988	21	0	1	1	0.0%	—	—	—	—	—	—	—	—	—	—	—	—	0	1	1	0.0%
1991	24	—	—	—	—	—	—	—	—	2	2	4	50.0%	1	1	2	50.0%	3	3	6	50.0%
1992	25	0	1	1	0.0%	—	—	—	—	—	—	—	—	—	—	—	—	0	1	1	0.0%
1993	26	1	1	2	50.0%	—	—	—	—	0	1	1	0.0%	—	—	—	—	1	2	3	33.3%
1994	27	0	1	1	0.0%	—	—	—	—	—	—	—	—	—	—	—	—	0	1	1	0.0%
Career	—	1	4	5	20.0%	—	—	—	—	2	3	5	40.0%	1	1	2	50.0%	4	8	12	33.3%

Career Results by Opponent Rank

Mark Keil 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 %
1991	24	1	0	1	100.0%	0	0	—	—	1	1	2	50.0%	1	2	3	33.3%	3	3	6	50.0%
1992	25	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
1993	26	0	0	—	—	0	0	—	—	0	1	1	0.0%	1	1	2	50.0%	1	2	3	33.3%
1994	27	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
Career		1	0	1	100.0%	0	0	—	—	1	4	5	20.0%	2	3	5	40.0%	4	7	11	36.4%

Opponent ranking data available for 11/12 (91.7%) of Mark Keil's ATP main draw matches.

Performance Stats

Mark Keil 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%
1991	24	5/6	5.6	5.8	60.2%	68.5%	48.3%	67.6%	35.1%	60.1%	39.2%
1992	25	1/1	2.0	5.0	62.2%	72.5%	41.9%	66.7%	20.0%	61.0%	32.5%
1993	26	3/3	7.0	7.7	64.2%	73.8%	34.0%	58.9%	31.5%	59.3%	34.9%
1994	27	1/1	0.0	5.0	46.9%	56.5%	34.6%	33.3%	—	44.9%	22.0%
Career		10/12	5.1	6.2	60.3%	69.3%	42.0%	61.5%	29.0%	58.4%	35.5%

Detailed serve and return statistics available for 10/12 (83.3%) of Mark Keil's ATP main draw matches.

Advanced Stats

Mark Keil 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
1988	21	1495	105.0	—	—	—	—	—	—	—	0.0%	-3.00	—	—	—	-0.21
1991	24	1517	101.3	-0.67	+1.80	0.983	49.6%	—	—	+60	43.8%	-0.75	2–1 (67%)	4–0 (100%)	104.6	-0.08
1992	25	1510	104.3	-1.82	+3.30	0.833	46.9%	—	—	—	0.0%	-1.50	—	0–1	—	-0.12
1993	26	1490	100.1	-2.99	-0.92	0.858	47.2%	—	—	—	41.7%	-0.92	—	2–1 (67%)	—	+0.61
1994	27	1488	104.9	+2.99	+2.01	0.398	34.4%	—	—	—	0.0%	-4.50	—	—	—	-0.20
Career		1546	105.6	-1.12	+1.16	0.855	47.1%	—	—	+60	35.3%	-1.21	2–1 (67%)	6–2 (75%)	104.6	0.00

Tournament Results by Category

Grand Slams

Mark Keil Grand Slams results by season
Season	Age	AO	W	W-L Win %
1991	24	—	R128	0–1 (0%)
1993	26	R64	R128	1–2 (33%)
W-L		1–1 (50%)	0–2 (0%)	1–3 (25%)

ATP 250

Mark Keil ATP 250 results by season
Season	Age	QUE	TKY	BRA	SCO	W-L Win %
1988	21	—	R64	—	—	0–1 (0%)
1991	24	R16	—	R32	—	3–2 (60%)
1992	25	—	—	—	R32	0–1 (0%)
1994	27	—	—	—	R32	0–1 (0%)
W-L		2–1 (67%)	0–1 (0%)	1–1 (50%)	0–2 (0%)	3–5 (38%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Career high

167

Career-high date

Jul 22, 1991

First Top 100

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First Top 50

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First Top 20

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First Top 10

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Ranking History Matrix

Mark Keil ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1987	20	—	—	—	—	—	903	399	419	410	412	425	290
1988	21	296	301	290	287	284	293	395	396	414	417	426	885
1989	22	886	888	896	1024	950	941	693	710	700	669	425	426
1990	23	421	418	423	367	376	374	400	265	260	241	274	273
1991	24	275	221	215	215	216	174	168	186	189	198	201	200
1992	25	203	225	220	230	229	325	441	581	675	692	739	742
1993	26	747	471	543	553	566	582	505	518	523	533	528	537
1994	27	815	682	684	667	677	676	865	877	889	884	873	878
1995	28	878	879	—	—	—	—	—	—	—	—	—	—
1996	29	835	831	831	832	828	813	820	825	837	842	840	848
1997	30	—	—	—	—	—	—	—	—	—	1354	1342	1366
1998	31	1371	1326	1337	1346	1337	1327	1288	1290	1246	1322	1342	1324
1999	32	1312	1308	—	—	—	—	—	—	—	—	—	—

Similar Players

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

Mark Keil's most statistically similar ATP players
Player	Country	Peak Rank	Peak Elo	M	W	L	Win %	Years	Match Log
Felipe Rivera	CHI	173	1,519	14	5	9	35.7%	1989–1993	Match log
Agustin Garizzio	ARG	171	1,513	3	1	2	33.3%	1988–1994	Match log
Kent Kinnear	USA	163	1,564	31	9	22	29.0%	1988–1997	Match log
Peter Ballauff	GER	179	1,527	9	3	6	33.3%	1989–1990	Match log
Scott Warner	USA	180	1,566	10	3	7	30.0%	1989–1989	Match log
Laurent Prades	FRA	180	1,516	13	4	9	30.8%	1988–1993	Match log
Philippe Pech	FRA	155	1,538	16	5	11	31.3%	1988–1995	Match log
Libor Nemecek	CZE	164	1,562	31	11	20	35.5%	1989–1998	Match log
John Stimpson	USA	178	1,506	4	1	3	25.0%	1991–1991	Match log
Lan Bale	RSA	177	1,530	5	2	3	40.0%	1992–1993	Match log
Martin Blackman	USA	158	1,522	15	3	12	20.0%	1987–1994	Match log
Felix Barrientos	PHI	180	1,544	5	2	3	40.0%	1991–1992	Match log

Frequently Asked Questions

How old is Mark Keil?: Mark Keil is 59 years old, born on June 3, 1967.
Which country does Mark Keil represent?: Mark Keil represents United States in TennisDB's ATP records.
How tall is Mark Keil?: Mark Keil is 185 cm / 6'1".
Is Mark Keil left-handed or right-handed?: Mark Keil plays right-handed.
How many Grand Slams has Mark Keil won?: Mark Keil has not won a Grand Slam title.
How many Masters 1000 titles has Mark Keil won?: TennisDB does not group any of Mark Keil's titles under the modern Masters 1000 category.
What is Mark Keil's highest ATP ranking?: Mark Keil's career-high ATP singles ranking is world No. 167, first achieved on July 22, 1991.
What is Mark Keil's career win-loss record?: Mark Keil has a career ATP singles record of 4 wins and 8 losses (33.3%).
How much career prize money has Mark Keil earned?: Mark Keil has earned at least $749,587 in career prize money from professional tennis.
Which seasons of Mark Keil's career appear in TennisDB?: Mark Keil appears in TennisDB's ATP main-tour match records from 1988 through 1994.
Who has Mark Keil faced most often?: Mark Keil's most frequent opponent is Andre Agassi, with a head-to-head record of 0–1 across 1 meeting.