Player data updated: 2026-09-15 02:26 UTC

Mareen Louie Harper

USA Age 66 WTA Tour years active: 1974–1994

Mareen Louie Harper represented the United States on the WTA Tour. TennisDB's records show a singles record of 177–239 and 2 singles titles. Weekly WTA ranking coverage before 1984 is incomplete outside audited No. 1 and year-end Top 10 anchors.

Peak singles rank

—

Elo peak

1911 (87th percentile)

Singles record

177–239 (42.5%)

Singles titles

Prize money

$648,325

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 →

Mareen Louie Harper's recent, live, and scheduled WTA matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Patricia Hy Boulais	2-6 6-7	L	H2H	Match data	Aug 10, 1994*	R64	Manhattan Beach	Tier II → modern equivalent WTA 500	Hard
Meike Babel #121	3-6 7-6 4-6	L	H2H	Match data	Mar 26, 1992*	R32	San Antonio	Tier III → modern equivalent WTA 250	Hard
Raffaella Reggi Concato	6-4 4-6 2-6	L	H2H	Match data	Mar 14, 1992*	R128	Key Biscayne	Tier I → modern equivalent WTA 1000	Hard
Lisa Raymond #276	3-6 1-6	L	H2H	Match data	Mar 4, 1992*	R64	Boca Raton	Tier I → modern equivalent WTA 1000	Hard
Pam Shriver #35	4-6 1-6	L	H2H	Match data	Feb 24, 1992	R64	Indian Wells Open	Tier II → modern equivalent WTA 500	Hard

Rivals all rivalries →

Mareen Louie Harper's most-played WTA rivals
Opponent	W	L	M	Last Played	H2H
Chris Evert	0	9	9	Jun 28, 1989	H2H
Laura Arraya	3	5	8	Jan 31, 1992	H2H
Wendy Turnbull	2	6	8	Aug 13, 1986	H2H
Pam Shriver	0	7	7	Feb 24, 1992	H2H
Anne Smith	1	5	6	Nov 1, 1990	H2H

Singles Titles (2)

Mareen Louie Harper 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
1984	23	1	—	—	—	1	—	Durban
1985	24	1	—	—	—	1	—	Denver
Total		2	—	—	—	2	—

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

Career Results

Mareen Louie Harper career results by season
Season	Age	W	L	M	Win %	Start Rank	End Rank
1974	13	2	1	3	66.7%	—	—
1976	15	1	2	3	33.3%	—	—
1977	16	0	2	2	0.0%	—	—
1978	17	7	12	19	36.8%	—	—
1979	18	4	13	17	23.5%	—	—
1980	19	22	23	45	48.9%	—	—
1981	20	16	20	36	44.4%	—	—
1982	21	9	18	27	33.3%	—	—
1983	22	7	10	17	41.2%	—	—
1984	23	18	17	35	51.4%	—	—
1985	24	29	18	47	61.7%	—	—
1986	25	12	17	29	41.4%	—	—
1987	26	9	16	25	36.0%	—	—
1988	27	12	17	29	41.4%	—	—
1989	28	6	14	20	30.0%	—	—
1990	29	10	15	25	40.0%	—	—
1991	30	12	16	28	42.9%	—	—
1992	31	1	7	8	12.5%	—	—
1994	33	0	1	1	0.0%	—	—
Career		177	239	416	42.5%	—	—

Career Results by Surface

Mareen Louie Harper 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 %
1974	13	2	1	3	66.7%	—	—	—	—	—	—	—	—	—	—	—	—	2	1	3	66.7%
1976	15	—	—	—	—	0	1	1	0.0%	1	1	2	50.0%	—	—	—	—	1	2	3	33.3%
1977	16	—	—	—	—	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%	0	2	2	0.0%
1978	17	4	5	9	44.4%	3	3	6	50.0%	—	—	—	—	0	4	4	0.0%	7	12	19	36.8%
1979	18	2	6	8	25.0%	0	1	1	0.0%	0	1	1	0.0%	2	5	7	28.6%	4	13	17	23.5%
1980	19	7	8	15	46.7%	3	2	5	60.0%	5	2	7	71.4%	7	11	18	38.9%	22	23	45	48.9%
1981	20	5	7	12	41.7%	1	1	2	50.0%	1	2	3	33.3%	9	10	19	47.4%	16	20	36	44.4%
1982	21	4	6	10	40.0%	2	1	3	66.7%	0	2	2	0.0%	3	9	12	25.0%	9	18	27	33.3%
1983	22	5	5	10	50.0%	—	—	—	—	—	—	—	—	2	5	7	28.6%	7	10	17	41.2%
1984	23	14	9	23	60.9%	0	1	1	0.0%	1	3	4	25.0%	3	4	7	42.9%	18	17	35	51.4%
1985	24	18	9	27	66.7%	0	2	2	0.0%	2	2	4	50.0%	9	5	14	64.3%	29	18	47	61.7%
1986	25	8	7	15	53.3%	—	—	—	—	1	2	3	33.3%	3	8	11	27.3%	12	17	29	41.4%
1987	26	6	8	14	42.9%	0	2	2	0.0%	2	3	5	40.0%	1	3	4	25.0%	9	16	25	36.0%
1988	27	8	11	19	42.1%	1	1	2	50.0%	0	2	2	0.0%	3	3	6	50.0%	12	17	29	41.4%
1989	28	3	9	12	25.0%	—	—	—	—	2	3	5	40.0%	1	2	3	33.3%	6	14	20	30.0%
1990	29	8	10	18	44.4%	—	—	—	—	0	2	2	0.0%	2	3	5	40.0%	10	15	25	40.0%
1991	30	9	11	20	45.0%	—	—	—	—	1	2	3	33.3%	2	3	5	40.0%	12	16	28	42.9%
1992	31	1	5	6	16.7%	—	—	—	—	—	—	—	—	0	2	2	0.0%	1	7	8	12.5%
1994	33	0	1	1	0.0%	—	—	—	—	—	—	—	—	—	—	—	—	0	1	1	0.0%
Career	—	104	118	222	46.8%	10	16	26	38.5%	16	27	43	37.2%	47	78	125	37.6%	177	239	416	42.5%

Career Results by Opponent Rank

Mareen Louie Harper 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 %
1984	23	0	4	4	0.0%	1	3	4	25.0%	5	5	10	50.0%	2	1	3	66.7%	8	13	21	38.1%
1985	24	1	5	6	16.7%	0	1	1	0.0%	7	4	11	63.6%	2	0	2	100.0%	10	10	20	50.0%
1986	25	0	1	1	0.0%	2	3	5	40.0%	1	6	7	14.3%	1	0	1	100.0%	4	10	14	28.6%
1987	26	0	3	3	0.0%	1	2	3	33.3%	1	8	9	11.1%	1	1	2	50.0%	3	14	17	17.6%
1988	27	0	3	3	0.0%	3	5	8	37.5%	3	6	9	33.3%	3	3	6	50.0%	9	17	26	34.6%
1989	28	0	1	1	0.0%	2	5	7	28.6%	1	6	7	14.3%	2	1	3	66.7%	5	13	18	27.8%
1990	29	0	1	1	0.0%	2	3	5	40.0%	2	5	7	28.6%	3	1	4	75.0%	7	10	17	41.2%
1991	30	0	3	3	0.0%	1	4	5	20.0%	5	4	9	55.6%	3	4	7	42.9%	9	15	24	37.5%
1992	31	0	0	—	—	0	1	1	0.0%	0	3	3	0.0%	0	2	2	0.0%	0	6	6	0.0%
Career		1	21	22	4.5%	12	27	39	30.8%	25	47	72	34.7%	17	13	30	56.7%	55	108	163	33.7%

Opponent ranking data available for 163/416 (39.2%) of Mareen Louie Harper's WTA main draw matches.

Advanced Stats

Mareen Louie Harper 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
1974	13	1524	102.4	—	—	—	—	+72	—	—	57.1%	+0.29	1–0	1–0	—	+0.56
1976	15	1522	100.6	—	—	—	—	—	—	—	42.9%	-0.57	0–1	—	—	+0.36
1977	16	1520	116.3	—	—	—	—	—	—	—	0.0%	-3.50	—	0–1	—	-0.35
1978	17	1589	122.4	—	—	—	—	+31	-31	—	34.1%	-1.25	5–1 (83%)	2–1 (67%)	108.1	-0.33
1979	18	1568	121.3	—	—	—	—	+25	—	—	30.0%	-1.90	2–4 (33%)	2–1 (67%)	—	+0.42
1980	19	1714	128.5	—	—	—	—	-41	-153	-36	46.2%	-0.59	12–4 (75%)	2–6 (25%)	107.6	+1.57
1981	20	1743	134.3	—	—	—	—	-2	—	-72	42.7%	-0.51	7–5 (58%)	4–2 (67%)	105.0	-1.63
1982	21	1655	124.8	—	—	—	—	-27	-46	—	35.5%	-1.06	4–4 (50%)	1–2 (33%)	99.6	-1.27
1983	22	1671	132.0	—	—	—	—	-14	—	—	42.9%	-0.43	2–1 (67%)	1–2 (33%)	100.4	-0.99
1984	23	1733	127.5	—	—	—	—	+24	—	-94	48.8%	-0.05	7–3 (70%)	2–3 (40%)	105.0	+0.67
1985	24	1777	143.7	—	—	—	—	+52	—	-157	58.5%	+0.41	8–4 (67%)	5–5 (50%)	101.8	-0.01
1986	25	1680	121.2	—	—	—	—	+20	—	-65	39.1%	-0.55	5–3 (63%)	2–5 (29%)	97.5	+1.39
1987	26	1624	119.5	—	—	—	—	+6	—	-17	38.6%	-0.67	3–4 (43%)	1–1	—	+0.33
1988	27	1614	129.1	—	—	—	—	+11	—	—	43.3%	-0.43	4–5 (44%)	5–4 (56%)	100.4	-0.29
1989	28	1576	117.3	—	—	—	—	-17	—	-21	32.0%	-1.38	6–4 (60%)	6–1 (86%)	107.4	-1.33
1990	29	1590	128.4	—	—	—	—	+10	—	—	45.8%	-0.14	2–7 (22%)	1–3 (25%)	94.5	+0.31
1991	30	1615	127.2	—	—	—	—	-4	—	-50	39.4%	-0.53	8–4 (67%)	4–4 (50%)	105.2	+0.46
1992	31	1545	105.4	—	—	—	—	-7	—	—	25.0%	-1.81	0–2	1–0	—	-0.11
1994	33	1537	103.8	—	—	—	—	—	—	—	0.0%	-2.50	—	0–1	—	-0.17
Career		1911	135.2	—	—	—	—	+7	-78	-59	42.4%	-0.57	76–56 (58%)	40–42 (49%)	107.5	-0.10

Tournament Results by Category

Grand Slams

Mareen Louie Harper Grand Slams results by season
Season	Age	RG	W	USO	W-L Win %
1976	15	—	R64	R128	1–2 (33%)
1977	16	—	—	R64	0–1 (0%)
1978	17	R32	—	R32	2–2 (50%)
1979	18	—	R128	R64	0–2 (0%)
1980	19	—	R32	—	1–1 (50%)
1981	20	—	R128	R64	1–2 (33%)
1982	21	—	R128	R64	1–2 (33%)
1983	22	—	—	R64	1–1 (50%)
1984	23	—	R128	R32	2–2 (50%)
1985	24	—	R64	R128	1–2 (33%)
1986	25	—	R128	R64	1–2 (33%)
1987	26	—	R32	R64	3–2 (60%)
1988	27	R64	R128	R128	1–3 (25%)
1989	28	—	R128	R128	0–2 (0%)
1990	29	—	R128	R128	0–2 (0%)
1991	30	—	R64	R64	2–2 (50%)
W-L		2–2 (50%)	6–13 (32%)	9–15 (38%)	17–30 (36%)

WTA 1000

Mareen Louie Harper WTA 1000 results by season
Season	Age	BOC	KEY	W-L Win %
1990	29	—	R128	0–1 (0%)
1991	30	R32	R128	1–2 (33%)
1992	31	R64	R128	0–2 (0%)
W-L		1–2 (33%)	0–3 (0%)	1–5 (17%)

WTA 500

Mareen Louie Harper WTA 500 results by season
Season	Age	DLB	EAS	IW	SDG	TKY	WAS	BOC	CAN	CAR	CHI	KEY	LOS	MAN	OAK	ORL	PHI	WOR	W-L Win %
1978	17	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	1–1 (50%)
1979	18	—	—	—	R32	—	—	—	—	R16	—	—	—	—	—	—	—	—	1–2 (33%)
1980	19	—	—	—	R32	—	—	—	—	R16	—	—	R32	—	—	—	—	—	1–3 (25%)
1981	20	—	—	—	R16	—	—	—	R64	—	—	—	R16	—	—	—	—	—	2–3 (40%)
1982	21	—	—	—	R32	—	—	—	R64	—	—	—	—	—	—	—	—	—	1–2 (33%)
1985	24	R32	—	—	—	—	—	—	—	—	—	—	—	R16	—	R16	—	—	4–3 (57%)
1986	25	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	1–1 (50%)
1987	26	—	—	—	R16	—	—	—	—	—	—	—	R64	—	—	—	—	—	2–2 (50%)
1988	27	—	—	—	—	—	R32	R16	—	—	—	R64	R64	—	—	—	—	R32	3–5 (38%)
1990	29	—	R64	R64	—	R16	—	R32	—	—	—	—	—	R32	R32	—	—	—	3–6 (33%)
1991	30	—	R64	QF	—	R16	—	—	—	—	—	—	—	R64	R32	—	R16	—	5–6 (45%)
1992	31	—	—	R64	—	R32	—	—	—	—	R32	—	—	—	—	—	—	—	0–3 (0%)
1994	33	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	0–1 (0%)
W-L		2–1 (67%)	0–2 (0%)	3–3 (50%)	4–5 (44%)	2–3 (40%)	0–1 (0%)	3–2 (60%)	0–2 (0%)	2–2 (50%)	0–1 (0%)	1–1 (50%)	3–6 (33%)	3–4 (43%)	0–2 (0%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	24–38 (39%)

WTA 250

Mareen Louie Harper WTA 250 results by season
Season	Age	ATL	CIN	DAL	EAS	HOU	NAP	NWP	QUE	SDG	TKY	WAS	ALB	AME	AUR	BOC	BOS	CHI	DEE	DEN	DET	DUR	EDM	FOR	HER	HIL	HOL	KAN	KEY	LAS	LIT	MAH	MAR	MIN	NAG	NAS	NEW	OAK	OKL	OLD	ORL	PAL	PHI	PHO	PIT	POR	PRI	RIC	SAL	SAN	SAN	SCO	SEA	SOU	TAM	TUC	TUL	WIC	WOR	W-L Win %
1974	13	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	2–1 (67%)
1977	16	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0–1 (0%)
1978	17	R32	—	R32	—	R32	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	QF	—	R32	—	—	—	—	—	R32	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4–9 (31%)
1979	18	—	—	R64	—	—	R64	—	—	—	R16	R16	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	R32	—	—	—	—	3–9 (25%)
1980	19	—	—	R32	SF	—	—	—	—	—	R16	—	—	—	—	—	R32	—	—	—	R32	—	BR	—	—	—	—	—	—	R32	—	R32	—	R32	SF	—	—	R32	—	—	R32	—	—	R16	—	—	—	R32	—	—	—	—	—	—	R32	F	—	—	—	19–18 (51%)
1981	20	—	R32	R32	R32	—	—	—	—	—	R32	—	—	R32	—	—	QF	QF	R16	—	—	—	—	—	—	—	—	R16	—	—	—	R16	—	R16	—	—	—	R32	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	R16	—	R32	—	—	—	—	13–15 (46%)
1982	21	R16	R32	R32	R64	—	—	—	—	—	—	R32	—	R16	—	—	R32	R32	—	—	R16	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	R32	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	R16	—	R32	—	—	—	—	7–14 (33%)
1983	22	—	—	—	—	R16	QF	—	R32	—	—	R16	—	—	—	—	—	—	R32	—	R32	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	6–9 (40%)
1984	23	—	—	—	R64	—	R16	R16	—	—	—	R32	—	—	—	—	R32	R32	—	R32	—	W	—	R16	R32	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	R64	—	—	SF	—	—	—	R16	—	—	—	—	R16	QF	—	—	—	—	16–15 (52%)
1985	24	—	—	—	R32	R32	—	—	—	—	R32	—	—	—	—	—	—	R32	—	W	—	—	—	SF	SF	—	—	—	SF	—	—	R64	QF	—	—	—	QF	R16	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	R16	—	—	—	—	24–13 (65%)
1986	25	—	—	R64	R32	—	R16	—	—	—	R16	R32	—	—	—	R128	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	R32	—	—	—	—	—	R32	R16	—	—	—	—	—	SF	—	—	R16	—	—	—	—	—	—	—	—	—	QF	—	R64	10–14 (42%)
1987	26	—	—	—	R64	R32	R32	R32	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	R128	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	R16	—	—	R32	—	—	—	R16	—	—	—	R32	—	—	—	R16	4–12 (25%)
1988	27	—	QF	R16	R64	—	—	—	—	—	QF	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	R32	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	8–9 (47%)
1989	28	—	—	—	R32	—	—	R16	—	—	R16	R32	R32	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	R128	—	—	—	—	—	—	R32	—	R32	—	—	—	—	—	R32	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	R32	6–12 (33%)
1990	29	—	—	—	—	—	R16	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	SF	—	6–5 (55%)
1991	30	—	—	—	—	—	—	—	—	R32	—	—	R32	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	3–5 (38%)
1992	31	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	1–2 (33%)
W-L		1–2 (33%)	2–3 (40%)	2–7 (22%)	8–9 (47%)	1–4 (20%)	8–7 (53%)	2–3 (40%)	0–1 (0%)	0–1 (0%)	6–7 (46%)	2–7 (22%)	0–3 (0%)	3–2 (60%)	2–1 (67%)	2–3 (40%)	2–5 (29%)	4–5 (44%)	1–2 (33%)	5–1 (83%)	2–3 (40%)	5–0 (100%)	2–3 (40%)	4–2 (67%)	5–3 (62%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	4–4 (50%)	0–1 (0%)	0–1 (0%)	7–6 (54%)	3–1 (75%)	1–3 (25%)	3–1 (75%)	0–1 (0%)	2–4 (33%)	2–9 (18%)	2–3 (40%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	6–6 (50%)	3–1 (75%)	2–1 (67%)	2–3 (40%)	0–2 (0%)	1–1 (50%)	1–2 (33%)	1–1 (50%)	2–2 (50%)	3–3 (50%)	1–1 (50%)	4–8 (33%)	4–1 (80%)	2–1 (67%)	5–2 (71%)	1–3 (25%)	132–163 (45%)

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 Mareen Louie Harper?: Mareen Louie Harper is 66 years old, born on August 15, 1960.
Which country does Mareen Louie Harper represent?: Mareen Louie Harper represents United States in TennisDB's WTA records.
How many Grand Slam singles titles has Mareen Louie Harper won?: Mareen Louie Harper has not won a Grand Slam singles title.
How many WTA 1000 titles has Mareen Louie Harper won?: TennisDB does not group any of Mareen Louie Harper's titles under the modern WTA 1000 category.
How many WTA titles has Mareen Louie Harper won?: Mareen Louie Harper has won 2 WTA singles titles across all categories. The most recent was Denver in 1985.
What is Mareen Louie Harper's career win-loss record?: Mareen Louie Harper has a career WTA singles record of 177 wins and 239 losses (42.5%).
How much career prize money has Mareen Louie Harper earned?: Mareen Louie Harper has earned at least $648,325 in career prize money from professional tennis.
Which seasons of Mareen Louie Harper's career appear in TennisDB?: Mareen Louie Harper appears in TennisDB's WTA main-tour match records from 1974 through 1994.
On which surface does Mareen Louie Harper have the highest recorded win rate?: Among surfaces with at least 20 recorded matches, Mareen Louie Harper's highest WTA main-draw win rate is on hard: 46.8% (104–118).
Who has Mareen Louie Harper faced most often?: Mareen Louie Harper's most frequent opponent is Chris Evert, with a head-to-head record of 0–9 across 9 meetings.