Player data updated: 2026-09-02 02:26 UTC

Zan Guerry

USA Age 77 Plays: Right-Handed ATP Tour years active: 1968–1982

Zan Guerry represented the United States on the ATP Tour and reached a career-high ranking of No. 98. In TennisDB's records, Zan Guerry finished with a career record of 41–77 and no singles titles.

Peak ranking

98 (Dec 5, 1977)

Elo peak

1596 (31st percentile)

Career record

41–77 (34.7%)

Career 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 →

Zan Guerry's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Eliot Teltscher #7	4-6 2-6	L	H2H	Match data	Jul 15, 1982*	R32	U.S. Pro Tennis Championships	ATP 250	Clay
Jay Lapidus #96	7-5 3-6 6-3	W	H2H	Match data	Jul 14, 1982*	R64	U.S. Pro Tennis Championships	ATP 250	Clay
Pascal Portes #46	4-6 1-6	L	H2H	Match data	Jul 22, 1981*	R64	Washington Open	ATP 250	Clay
Blaine Willenborg	2-6 3-6	L	H2H	Match data	Jul 31, 1980*	R32	South Orange	ATP 250	Clay
Tony Lloyd	2-6 2-6	L	H2H	Match data	Jun 5, 1980*	R32	Eastbourne Open	ATP 250	Grass

Rivals all rivalries →

Zan Guerry's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Jaime Fillol	0	3	3	Aug 9, 1979	H2H
Victor Pecci	1	2	3	Nov 25, 1977	H2H
Onny Parun	1	2	3	Nov 24, 1977	H2H
Jimmy Connors	0	3	3	Sep 6, 1977	H2H
Dick Stockton	0	3	3	Aug 11, 1977	H2H

Career Results

Zan Guerry career results by season
Season	Age	W	L	M	Win %	Start Rank	End Rank
1968	19	4	6	10	40.0%	—	—
1969	20	8	10	18	44.4%	—	—
1970	21	1	4	5	20.0%	—	—
1971	22	4	6	10	40.0%	—	—
1972	23	5	7	12	41.7%	—	—
1973	24	3	5	8	37.5%	173	203
1974	25	1	1	2	50.0%	142	228
1975	26	2	2	4	50.0%	231	205
1976	27	0	6	6	0.0%	176	176
1977	28	8	16	24	33.3%	123	98
1978	29	2	7	9	22.2%	109	279
1979	30	1	3	4	25.0%	326	326
1980	31	1	2	3	33.3%	—	—
1981	32	0	1	1	0.0%	—	—
1982	33	1	1	2	50.0%	—	—
Career		41	77	118	34.7%	—	—

Career Results by Surface

Zan Guerry 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 %
1968	19	—	—	—	—	3	3	6	50.0%	1	3	4	25.0%	—	—	—	—	4	6	10	40.0%
1969	20	0	1	1	0.0%	6	5	11	54.5%	2	4	6	33.3%	—	—	—	—	8	10	18	44.4%
1970	21	0	1	1	0.0%	1	3	4	25.0%	—	—	—	—	—	—	—	—	1	4	5	20.0%
1971	22	2	2	4	50.0%	2	3	5	40.0%	0	1	1	0.0%	—	—	—	—	4	6	10	40.0%
1972	23	1	2	3	33.3%	4	4	8	50.0%	0	1	1	0.0%	—	—	—	—	5	7	12	41.7%
1973	24	2	4	6	33.3%	—	—	—	—	1	1	2	50.0%	—	—	—	—	3	5	8	37.5%
1974	25	—	—	—	—	1	1	2	50.0%	—	—	—	—	—	—	—	—	1	1	2	50.0%
1975	26	1	1	2	50.0%	1	1	2	50.0%	—	—	—	—	—	—	—	—	2	2	4	50.0%
1976	27	0	2	2	0.0%	0	3	3	0.0%	—	—	—	—	0	1	1	0.0%	0	6	6	0.0%
1977	28	0	3	3	0.0%	8	11	19	42.1%	—	—	—	—	0	2	2	0.0%	8	16	24	33.3%
1978	29	—	—	—	—	2	3	5	40.0%	—	—	—	—	0	4	4	0.0%	2	7	9	22.2%
1979	30	0	1	1	0.0%	1	2	3	33.3%	—	—	—	—	—	—	—	—	1	3	4	25.0%
1980	31	—	—	—	—	0	1	1	0.0%	1	1	2	50.0%	—	—	—	—	1	2	3	33.3%
1981	32	—	—	—	—	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%
1982	33	—	—	—	—	1	1	2	50.0%	—	—	—	—	—	—	—	—	1	1	2	50.0%
Career	—	6	17	23	26.1%	30	42	72	41.7%	5	11	16	31.2%	0	7	7	0.0%	41	77	118	34.7%

Career Results by Opponent Rank

Zan Guerry 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	26	0	0	—	—	0	0	—	—	0	0	—	—	1	0	1	100.0%	1	0	1	100.0%
1977	28	0	5	5	0.0%	0	1	1	0.0%	3	4	7	42.9%	0	0	—	—	3	10	13	23.1%
1978	29	0	0	—	—	0	2	2	0.0%	0	2	2	0.0%	0	0	—	—	0	4	4	0.0%
1979	30	0	0	—	—	0	0	—	—	0	2	2	0.0%	0	0	—	—	0	2	2	0.0%
1981	32	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
1982	33	0	1	1	0.0%	0	0	—	—	1	0	1	100.0%	0	0	—	—	1	1	2	50.0%
Career		0	6	6	0.0%	0	3	3	0.0%	4	9	13	30.8%	1	0	1	100.0%	5	18	23	21.7%

Opponent ranking data available for 23/118 (19.5%) of Zan Guerry's ATP main draw matches.

Advanced Stats

Zan Guerry 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
1968	19	1477	99.0	—	—	—	—	—	+41	-13	41.7%	-0.50	1–1	—	—	-0.13
1969	20	1527	112.6	—	—	—	—	—	+58	-60	47.9%	-0.10	3–3 (50%)	—	—	-0.60
1970	21	1493	96.6	—	—	—	—	—	+59	—	30.8%	-1.92	1–2 (33%)	—	—	+0.15
1971	22	1500	108.9	—	—	—	—	+4	+68	—	34.8%	-0.43	2–1 (67%)	0–3 (0%)	99.1	+0.04
1972	23	1507	102.0	—	—	—	—	-12	+64	—	45.5%	-0.03	3–4 (43%)	3–6 (33%)	95.6	+0.98
1973	24	1511	109.4	—	—	—	—	-1	—	—	45.8%	-0.17	2–3 (40%)	2–2 (50%)	101.5	+0.71
1974	25	1533	109.0	—	—	—	—	—	—	—	50.0%	-0.50	—	1–0	—	-0.19
1975	26	1562	108.4	—	—	—	—	—	—	—	44.4%	-0.22	1–0	0–1	—	+0.08
1976	27	1497	112.0	—	—	—	—	-18	+37	—	14.3%	-1.71	0–1	0–1	—	+0.12
1977	28	1561	136.0	—	—	—	—	-118	+40	—	39.3%	-0.73	2–6 (25%)	1–2 (33%)	—	-0.81
1978	29	1522	109.4	—	—	—	—	-106	+76	—	37.5%	-1.04	1–5 (17%)	2–0	—	+0.86
1979	30	1517	104.3	—	—	—	—	—	+60	—	40.0%	-0.70	0–2	—	—	-0.17
1980	31	1483	91.9	—	—	—	—	—	—	—	0.0%	-3.75	—	—	—	+0.48
1981	32	1477	100.2	—	—	—	—	—	—	—	0.0%	-3.50	—	—	—	-0.08
1982	33	1498	109.7	—	—	—	—	—	—	—	40.0%	-0.80	1–0	—	—	-0.23
Career		1596	119.1	—	—	—	—	-44	+53	-41	39.6%	-0.63	17–28 (38%)	9–15 (38%)	94.9	+1.04

Tournament Results by Category

Grand Slams

Zan Guerry Grand Slams results by season
Season	Age	RG	W	USO	W-L Win %
1969	20	R64	—	—	1–1 (50%)
1971	22	—	—	R128	0–1 (0%)
1972	23	—	—	R128	0–1 (0%)
1973	24	—	R64	—	1–1 (50%)
1976	27	—	—	R128	0–1 (0%)
1977	28	—	—	R32	2–1 (67%)
W-L		1–1 (50%)	1–1 (50%)	2–4 (33%)	4–6 (40%)

ATP 500

Zan Guerry ATP 500 results by season
Season	Age	CIN	CAN	CAN	W-L Win %
1970	21	R32	—	—	1–1 (50%)
1971	22	R64	—	—	0–1 (0%)
1972	23	—	R64	—	1–1 (50%)
1976	27	—	—	R64	0–1 (0%)
W-L		1–2 (33%)	1–1 (50%)	0–1 (0%)	2–4 (33%)

ATP 250

Zan Guerry ATP 250 results by season
Season	Age	ATL	BAR	BUE	CIN	HOU	MAD	MIA	NAP	STG	STO	VIE	WAS	BAL	BER	BIR	BOS	BOS	COL	COL	HAM	HAV	JAC	LA	LIT	LOU	EAS	MEM	MIL	NOR	IW	SAL	SAN	SAN	SAR	SOU	SOU	TAN	U.S	W-L Win %
1968	19	—	—	—	—	R16	—	—	R32	—	—	—	—	—	—	—	—	R128	—	—	—	R64	—	—	—	—	—	—	R32	—	—	—	—	—	—	R32	—	—	—	4–6 (40%)
1969	20	—	R64	—	R32	QF	—	—	—	—	—	—	—	—	R32	—	R64	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	R32	—	—	—	R64	R32	—	—	7–9 (44%)
1970	21	—	—	—	—	—	—	—	R64	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0–3 (0%)
1971	22	—	—	—	—	R16	—	—	R32	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	4–4 (50%)
1972	23	—	—	—	R16	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	R16	—	4–5 (44%)
1973	24	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	R32	—	QF	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	2–4 (33%)
1974	25	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1–1 (50%)
1975	26	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	2–2 (50%)
1976	27	—	—	—	—	—	—	—	—	—	R64	R32	R64	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0–4 (0%)
1977	28	—	R64	R16	R64	—	R64	R32	R32	R32	—	—	R32	—	—	—	—	—	—	—	—	—	—	R64	—	R32	—	R64	—	R16	R64	—	—	R32	—	—	—	—	—	6–14 (30%)
1978	29	—	—	—	R64	R32	—	R32	R16	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	2–7 (22%)
1979	30	R32	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	1–3 (25%)
1980	31	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	R32	—	—	—	1–2 (33%)
1981	32	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0–1 (0%)
1982	33	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	1–1 (50%)
W-L		0–1 (0%)	0–2 (0%)	1–1 (50%)	4–4 (50%)	6–6 (50%)	0–1 (0%)	0–2 (0%)	6–8 (43%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	1–4 (20%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	1–2 (33%)	0–1 (0%)	1–2 (33%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	1–1 (50%)	0–1 (0%)	1–1 (50%)	2–2 (50%)	0–1 (0%)	1–3 (25%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	1–3 (25%)	1–1 (50%)	3–2 (60%)	1–1 (50%)	35–66 (35%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Career high

Career-high date

Dec 5, 1977

First Top 100

Dec 5, 1977

First Top 50

—

First Top 20

—

First Top 10

—

Ranking History Matrix

Zan Guerry ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1973	24	—	—	—	—	—	—	—	173	191	186	201	203
1974	25	—	—	—	—	142	151	210	219	219	—	220	228
1975	26	231	—	243	206	212	213	—	—	—	—	—	205
1976	27	—	—	—	—	—	—	—	—	—	—	—	176
1977	28	—	—	—	—	—	—	123	—	—	—	—	98
1978	29	105	—	—	—	—	—	163	—	—	—	—	279
1979	30	—	—	—	—	—	—	—	—	—	—	—	326
1983	34	490	—	—	—	—	—	—	—	—	—	—	—

Similar Players

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

Zan Guerry's most statistically similar ATP players
Player	Country	Peak Rank	Peak Elo	M	W	L	Win %	Years	Match Log
Henry Bunis	USA	103	1,587	87	28	59	32.2%	1969–1978	Match log
Pat Cramer	RSA	95	1,664	161	58	103	36.0%	1968–1979	Match log
Dale Collings	AUS	101	1,575	66	23	43	34.8%	1974–1982	Match log
Juan Ignacio Muntanola	ESP	101	1,580	50	18	32	36.0%	1971–1978	Match log
Steve Faulk	USA	107	1,610	97	34	63	35.1%	1968–1974	Match log
Terry Addison	AUS	100	1,618	181	67	114	37.0%	1968–1975	Match log
Frantisek Pala	CZE	102	1,722	178	64	114	36.0%	1969–1979	Match log
Randy Crawford	USA	95	1,528	22	7	15	31.8%	1975–1980	Match log
Tony Graham	USA	100	1,630	65	19	46	29.2%	1977–1982	Match log
Emilio Montano	MEX	99	1,552	68	19	49	27.9%	1968–1981	Match log
Robert Machan	HUN	102	1,569	51	19	32	37.3%	1970–1976	Match log
Terry Rocavert	AUS	92	1,630	98	37	61	37.8%	1975–1980	Match log

Frequently Asked Questions

How old is Zan Guerry?: Zan Guerry is 77 years old, born on February 12, 1949.
Which country does Zan Guerry represent?: Zan Guerry represents United States in TennisDB's ATP records.
Is Zan Guerry left-handed or right-handed?: Zan Guerry plays right-handed.
How many Grand Slams has Zan Guerry won?: Zan Guerry has not won a Grand Slam title.
How many Masters 1000 titles has Zan Guerry won?: TennisDB does not group any of Zan Guerry's titles under the modern Masters 1000 category.
What is Zan Guerry's highest ATP ranking?: Zan Guerry's career-high ATP singles ranking is world No. 98, first achieved on December 5, 1977.
What is Zan Guerry's career win-loss record?: Zan Guerry has a career ATP singles record of 41 wins and 77 losses (34.7%).
Which seasons of Zan Guerry's career appear in TennisDB?: Zan Guerry appears in TennisDB's ATP main-tour match records from 1968 through 1982.
On which surface does Zan Guerry have the highest recorded win rate?: Among surfaces with at least 20 recorded matches, Zan Guerry's highest ATP main-draw win rate is on clay: 41.7% (30–42).
Who has Zan Guerry faced most often?: Zan Guerry's most frequent opponent is Jaime Fillol, with a head-to-head record of 0–3 across 3 meetings.