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

Mona Guerrant

USA Age 77 Plays: Right-Handed WTA Tour years active: 1969–1980

Mona Guerrant represented the United States on the WTA Tour. TennisDB's records show a singles record of 122–116 and 3 singles titles. Weekly WTA ranking coverage before 1984 is incomplete outside audited No. 1 and year-end Top 10 anchors.

Peak singles rank

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Elo peak

1939 (89th percentile)

Singles record

122–116 (51.3%)

Singles titles

Records cover recorded main-draw singles results in TennisDB's WTA event archive, including credited walkovers; qualifying is shown separately below.

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WTA Matches full match log →

Mona Guerrant's recent, live, and scheduled WTA matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Sandy Collins	4-6 2-6	L	H2H	Match data	Dec 20, 1980*	QF	Tucson	WTA 250	Carpet
Pam Teeguarden	6-4 7-6 6-0	W	H2H	Match data	Dec 19, 1980*	R16	Tucson	WTA 250	Carpet
Bunny Bruning	5-7 6-4 6-0	W	H2H	Match data	Dec 18, 1980*	R32	Tucson	WTA 250	Carpet
Julie Harrington	6-4 4-6 3-6	L	H2H	Match data	Oct 8, 1980*	R64	Phoenix	WTA 250	Hard
Renee Richards	6-3 3-6 3-6	L	H2H	Match data	May 24, 1980*	SF	Gainesville	WTA 250	—

Rivals all rivalries →

Mona Guerrant's most-played WTA rivals
Opponent	W	L	M	Last Played	H2H
Ann Kiyomura Hayashi	5	3	8	Oct 6, 1977	H2H
Virginia Wade	2	6	8	Sep 8, 1977	H2H
Martina Navratilova	2	4	6	Mar 2, 1978	H2H
Evonne Goolagong	0	6	6	Feb 24, 1978	H2H
Rosie Casals	2	4	6	Jan 20, 1978	H2H

Singles Titles (3)

Mona Guerrant singles titles by season and category
Season	Age	Singles titles	GS	WTA 1000 including documented historical predecessor categories	WTA 500 including documented historical predecessor categories	WTA 250 including documented historical predecessor categories	WTA Finals	Tournaments
1972	23	1	—	—	—	1	—	Auckland Nz Open
1973	24	1	—	—	—	1	—	Portland
1980	31	1	—	—	—	1	—	Delray Beach
Total		3	—	—	—	3	—

Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Results

Mona Guerrant career results by season
Season	Age	W	L	M	Win %	Start Rank	End Rank
1969	20	1	1	2	50.0%	—	—
1970	21	1	2	3	33.3%	—	—
1971	22	3	8	11	27.3%	—	—
1972	23	28	22	50	56.0%	—	—
1973	24	17	19	36	47.2%	—	—
1974	25	12	14	26	46.2%	—	—
1975	26	12	12	24	50.0%	—	—
1976	27	15	14	29	51.7%	—	—
1977	28	14	9	23	60.9%	—	—
1978	29	5	11	16	31.3%	—	—
1980	31	14	4	18	77.8%	—	—
Career		122	116	238	51.3%	—	—

Career Results by Surface

Mona Guerrant 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 %
1969	20	—	—	—	—	1	1	2	50.0%	—	—	—	—	—	—	—	—	1	1	2	50.0%
1970	21	—	—	—	—	1	2	3	33.3%	—	—	—	—	—	—	—	—	1	2	3	33.3%
1971	22	0	2	2	0.0%	2	2	4	50.0%	1	4	5	20.0%	—	—	—	—	3	8	11	27.3%
1972	23	4	3	7	57.1%	9	8	17	52.9%	14	9	23	60.9%	1	1	2	50.0%	28	22	50	56.0%
1973	24	3	4	7	42.9%	7	7	14	50.0%	2	4	6	33.3%	5	4	9	55.6%	17	19	36	47.2%
1974	25	1	2	3	33.3%	0	3	3	0.0%	5	5	10	50.0%	6	4	10	60.0%	12	14	26	46.2%
1975	26	4	4	8	50.0%	3	2	5	60.0%	1	1	2	50.0%	4	5	9	44.4%	12	12	24	50.0%
1976	27	2	3	5	40.0%	0	1	1	0.0%	5	2	7	71.4%	8	8	16	50.0%	15	14	29	51.7%
1977	28	2	2	4	50.0%	6	3	9	66.7%	4	2	6	66.7%	2	2	4	50.0%	14	9	23	60.9%
1978	29	—	—	—	—	2	2	4	50.0%	0	2	2	0.0%	3	7	10	30.0%	5	11	16	31.2%
1980	31	0	1	1	0.0%	—	—	—	—	—	—	—	—	2	1	3	66.7%	14	4	18	77.8%
Career	—	16	21	37	43.2%	31	31	62	50.0%	32	29	61	52.5%	31	32	63	49.2%	122	116	238	51.3%

Advanced Stats

Mona Guerrant 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
1969	20	1500	92.5	—	—	—	—	—	—	—	40.0%	-2.40	1–0	—	—	+0.28
1970	21	1504	106.4	—	—	—	—	—	+14	—	42.9%	-1.00	0–1	—	—	+0.10
1971	22	1517	118.6	—	—	—	—	—	+38	+14	35.7%	-0.75	2–4 (33%)	0–3 (0%)	95.8	0.00
1972	23	1734	136.4	—	—	—	—	-121	-79	-58	56.3%	+0.56	8–11 (42%)	5–0 (100%)	103.8	+0.31
1973	24	1781	144.7	—	—	—	—	-54	-77	-115	48.8%	-0.15	3–5 (38%)	2–2 (50%)	99.8	-3.77
1974	25	1779	137.0	—	—	—	—	-26	-97	-75	50.9%	+0.11	1–4 (20%)	3–4 (43%)	97.1	-1.56
1975	26	1906	154.1	—	—	—	—	-52	-116	—	48.2%	-0.13	5–3 (63%)	2–4 (33%)	103.0	-3.77
1976	27	1899	149.3	—	—	—	—	-31	—	-111	55.9%	+0.57	2–8 (20%)	2–5 (29%)	93.6	-2.44
1977	28	1889	136.1	—	—	—	—	-61	-46	-93	57.7%	+0.69	4–4 (50%)	3–1 (75%)	100.8	-0.46
1978	29	1810	136.6	—	—	—	—	-42	-18	—	35.9%	-0.87	3–4 (43%)	0–3 (0%)	—	-2.42
1980	31	1813	138.2	—	—	—	—	-103	—	—	73.8%	+2.26	4–2 (67%)	1–0	—	+0.33
Career		1939	149.1	—	—	—	—	-53	-61	-71	52.5%	+0.27	33–46 (42%)	18–22 (45%)	98.6	-5.65

Tournament Results by Category

Grand Slams

Mona Guerrant Grand Slams results by season
Season	Age	AO	RG	W	USO	W-L Win %
1971	22	—	—	—	R64	0–1 (0%)
1972	23	R16	R16	R64	R32	5–4 (56%)
1973	24	—	R64	R32	R128	1–3 (25%)
1974	25	—	—	R16	R64	2–2 (50%)
1975	26	R32	—	—	R32	2–2 (50%)
1976	27	—	—	R32	R128	2–2 (50%)
1977	28	QF	—	—	R16	5–2 (71%)
1978	29	—	—	R64	—	0–1 (0%)
W-L		4–3 (57%)	3–2 (60%)	5–5 (50%)	5–7 (42%)	17–17 (50%)

WTA 500

Mona Guerrant WTA 500 results by season
Season	Age	ADE	BRI	SPB	WAS	MOS	PAC	SYD	W-L Win %
1970	21	—	—	R32	—	—	—	—	0–1 (0%)
1971	22	—	QF	—	—	—	R64	—	1–2 (33%)
1972	23	—	—	R16	—	QF	—	R32	1–3 (25%)
1974	25	R32	—	R32	QF	—	—	R16	4–4 (50%)
1975	26	—	—	—	R16	—	—	—	1–1 (50%)
1977	28	—	—	—	—	—	—	QF	2–1 (67%)
W-L		0–1 (0%)	1–1 (50%)	1–3 (25%)	3–2 (60%)	0–1 (0%)	0–1 (0%)	4–3 (57%)	9–12 (43%)

WTA 250

Mona Guerrant WTA 250 results by season
Season	Age	ATL	AUC	BRI	DAL	DLB	EAS	GST	HOU	KIT	MIA	NWP	ITA	TKY	USO	AKR	ALB	BEC	BER	BET	BOS	CHA	CHI	CHI	COL	DEN	DET	DUT	FOR	GAI	HIL	HOB	HOL	JAC	JER	KAN	LAN	LOU	NAS	NOT	OLD	ORL	PAL	PER	PHI	PHO	POR	QUI	RIC	SAN	SAR	SEA	ST.	STU	TUC	WES	W-L Win %
1969	20	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1–1 (50%)
1970	21	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	F	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1–1 (50%)
1971	22	—	—	F	—	—	—	—	—	—	—	R32	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	2–5 (29%)
1972	23	—	W	—	R16	—	SF	QF	—	R16	—	R32	—	—	—	—	QF	R32	—	—	—	QF	—	R16	—	—	—	R16	—	—	—	F	—	R32	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	R16	—	—	—	—	—	R16	—	22–15 (59%)
1973	24	—	—	—	—	—	—	—	R16	—	R32	R32	R32	R16	—	—	—	—	—	R32	—	—	—	—	R16	R16	—	—	—	—	—	—	—	R16	R32	—	—	—	QF	R16	—	—	—	—	—	R16	W	QF	—	—	—	—	R16	—	—	—	14–15 (48%)
1974	25	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	R16	R32	R16	F	—	—	—	—	—	—	—	—	—	6–8 (43%)
1975	26	—	—	—	R16	—	—	—	QF	—	—	—	—	—	—	R16	—	—	—	—	—	—	R16	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	R16	—	—	—	—	R32	—	—	—	—	QF	9–9 (50%)
1976	27	—	—	—	R32	—	QF	—	R32	—	—	—	—	—	—	R16	—	—	—	—	R16	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	R16	—	R16	QF	F	—	—	—	QF	—	—	—	—	—	13–12 (52%)
1977	28	R32	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	BR	—	—	—	—	—	—	—	SF	—	—	—	R16	—	—	—	—	R16	—	—	—	—	—	—	7–6 (54%)
1978	29	—	—	—	R32	—	R64	—	R16	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	R16	—	—	—	R32	—	R16	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	QF	—	—	5–10 (33%)
1980	31	—	—	—	—	W	—	—	—	—	—	—	—	—	—	—	—	—	F	—	—	—	—	—	—	—	—	—	—	SF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	QF	—	14–4 (78%)
W-L		0–1 (0%)	4–0 (100%)	1–1 (50%)	3–5 (38%)	5–0 (100%)	5–3 (62%)	1–1 (50%)	4–5 (44%)	0–1 (0%)	0–1 (0%)	0–3 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	2–2 (50%)	2–1 (67%)	1–1 (50%)	4–1 (80%)	0–1 (0%)	1–2 (33%)	2–1 (67%)	1–1 (50%)	2–1 (67%)	1–1 (50%)	2–2 (50%)	2–3 (40%)	1–1 (50%)	0–1 (0%)	3–1 (75%)	0–2 (0%)	3–1 (75%)	2–1 (67%)	1–2 (33%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	2–1 (67%)	1–1 (50%)	3–1 (75%)	2–3 (40%)	0–1 (0%)	1–1 (50%)	3–4 (43%)	6–7 (46%)	8–2 (80%)	2–1 (67%)	1–1 (50%)	1–1 (50%)	2–2 (50%)	0–1 (0%)	1–1 (50%)	2–1 (67%)	3–2 (60%)	2–1 (67%)	94–86 (52%)

WTA Finals

Mona Guerrant WTA Finals results by season
Season	Age	WTA	W-L Win %
1973	24	QF	2–1 (67%)
W-L		2–1 (67%)	2–1 (67%)

Results show the best round reached per tournament and season.

WTA Ranking History full ranking history →

Career high

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Career-high date

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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

No ranking history available.

Data coverage: Weekly WTA ranking snapshots are unavailable before 1984. Audited official No. 1 change dates and year-end Top 10 ranks are included, but weekly counts and ranks outside those anchors remain incomplete.

Frequently Asked Questions

How old is Mona Guerrant?: Mona Guerrant is 77 years old, born on November 28, 1948.
Which country does Mona Guerrant represent?: Mona Guerrant represents United States in TennisDB's WTA records.
Is Mona Guerrant left-handed or right-handed?: Mona Guerrant plays right-handed.
How many Grand Slam singles titles has Mona Guerrant won?: Mona Guerrant has not won a Grand Slam singles title.
How many WTA 1000 titles has Mona Guerrant won?: TennisDB does not group any of Mona Guerrant's titles under the modern WTA 1000 category.
How many WTA titles has Mona Guerrant won?: Mona Guerrant has won 3 WTA singles titles across all categories. The most recent was Delray Beach in 1980.
What is Mona Guerrant's career win-loss record?: Mona Guerrant has a career WTA singles record of 122 wins and 116 losses (51.3%).
Which seasons of Mona Guerrant's career appear in TennisDB?: Mona Guerrant appears in TennisDB's WTA main-tour match records from 1969 through 1980.
On which surface does Mona Guerrant have the highest recorded win rate?: Among surfaces with at least 20 recorded matches, Mona Guerrant's highest WTA main-draw win rate is on grass: 52.5% (32–29).
Who has Mona Guerrant faced most often?: Mona Guerrant's most frequent opponent is Ann Kiyomura Hayashi, with a head-to-head record of 5–3 across 8 meetings.