H2H data updated: 2026-10-28 00:00 UTC

Mona Guerrant vs Julie Harrington H2H: 0-1

Julie Harrington holds a 1–0 lead over Mona Guerrant in their WTA head-to-head. Across 1 main-draw meeting, Julie Harrington leads 1–0 on hard courts. Most recently, Julie Harrington won the 1980 Phoenix round of 64 4-6 6-4 6-3.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Mona Guerrant
USA Age 77 Right-Handed
H2H
0 – 1
1 main-draw meetings
Julie Harrington
USA Age 64

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Julie Harrington 4-6 6-4 6-3 Mona Guerrant Match data Oct 8, 1980* R64 Phoenix WTA 250 Hard

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Mona Guerrant — — — 1,939 122 116 51.3% 0 0 0 0 3 3
Julie Harrington — #70 — 1,742 56 81 40.9% 0 0 0 0 0 0

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Mona Guerrant Julie Harrington
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 — — — — — — — 1979 3–6 33.3% — 1,524 0 0
18 — — — — — — — 1980 13–18 41.9% — 1,605 0 0
19 — — — — — — — 1981 18–15 54.5% — 1,725 0 0
20 1969 1–1 50.0% — 1,500 0 0 1982 6–19 24.0% — 1,590 0 0
21 1970 1–2 33.3% — 1,504 0 0 1983 15–16 48.4% — 1,629 0 0
22 1971 3–8 27.3% — 1,517 0 0 1984 1–7 12.5% #175 1,571 0 0
23 1972 28–22 56.0% — 1,733 0 1 — — — — — — —
24 1973 17–19 47.2% — 1,780 0 2 — — — — — — —
25 1974 12–14 46.2% — 1,779 0 2 — — — — — — —
26 1975 12–12 50.0% — 1,905 0 2 — — — — — — —
27 1976 15–14 51.7% — 1,898 0 2 — — — — — — —
28 1977 14–9 60.9% — 1,888 0 2 — — — — — — —
29 1978 5–11 31.2% — 1,809 0 2 — — — — — — —
31 1980 14–4 77.8% — 1,813 0 3 — — — — — — —

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Mona Guerrant Julie Harrington
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
17 — — — — — — — — — — — — — — — — — 1979 2 3 5 40.0% — — — — 0 1 1 0.0% 1 2 3 33.3%
18 — — — — — — — — — — — — — — — — — 1980 4 6 10 40.0% 5 5 10 50.0% 0 4 4 0.0% 1 2 3 33.3%
19 — — — — — — — — — — — — — — — — — 1981 9 5 14 64.3% 2 3 5 40.0% — — — — 7 7 14 50.0%
20 1969 — — — — 1 1 2 50.0% — — — — — — — — 1982 1 6 7 14.3% 4 6 10 40.0% — — — — 1 7 8 12.5%
21 1970 — — — — 1 2 3 33.3% — — — — — — — — 1983 11 8 19 57.9% 1 4 5 20.0% — — — — 2 3 5 40.0%
22 1971 0 2 2 0.0% 2 2 4 50.0% 1 4 5 20.0% — — — — 1984 1 3 4 25.0% 0 2 2 0.0% — — — — 0 2 2 0.0%
23 1972 4 3 7 57.1% 9 8 17 52.9% 14 9 23 60.9% 1 1 2 50.0% — — — — — — — — — — — — — — — — —
24 1973 3 4 7 42.9% 7 7 14 50.0% 2 4 6 33.3% 5 4 9 55.6% — — — — — — — — — — — — — — — — —
25 1974 1 2 3 33.3% 0 3 3 0.0% 5 5 10 50.0% 6 4 10 60.0% — — — — — — — — — — — — — — — — —
26 1975 4 4 8 50.0% 3 2 5 60.0% 1 1 2 50.0% 4 5 9 44.4% — — — — — — — — — — — — — — — — —
27 1976 2 3 5 40.0% 0 1 1 0.0% 5 2 7 71.4% 8 8 16 50.0% — — — — — — — — — — — — — — — — —
28 1977 2 2 4 50.0% 6 3 9 66.7% 4 2 6 66.7% 2 2 4 50.0% — — — — — — — — — — — — — — — — —
29 1978 — — — — 2 2 4 50.0% 0 2 2 0.0% 3 7 10 30.0% — — — — — — — — — — — — — — — — —
31 1980 0 1 1 0.0% — — — — — — — — 2 1 3 66.7% — — — — — — — — — — — — — — — — —
Career — 16 21 37 43.2% 31 31 62 50.0% 32 29 61 52.5% 31 32 63 49.2% — 28 31 59 47.5% 12 20 32 37.5% 0 5 5 0.0% 12 23 35 34.3%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Mona Guerrant Julie Harrington
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
17 — — — — — — — — — — — — — — — — 1979 1524 114.7 — — — — +97 — — 42.9% -0.76 0–3 (0%) 1–1 — +0.67
18 — — — — — — — — — — — — — — — — 1980 1606 124.5 — — — — -18 -23 -131 43.3% -0.18 2–5 (29%) 2–6 (25%) 94.8 -0.77
19 — — — — — — — — — — — — — — — — 1981 1726 127.8 — — — — +23 -106 — 48.1% -0.03 10–3 (77%) 3–4 (43%) 108.6 +3.25
20 1969 1500 92.5 — — — — — — — 40.0% -2.40 1–0 — — +0.28 1982 1590 116.7 — — — — -34 +6 — 31.1% -1.28 4–7 (36%) 1–2 (33%) 96.7 -0.72
21 1970 1504 106.4 — — — — — +14 — 42.9% -1.00 0–1 — — +0.10 1983 1630 115.7 — — — — +32 -33 — 48.6% -0.35 5–5 (50%) 4–2 (67%) 103.6 +2.38
22 1971 1517 118.6 — — — — — +38 +14 35.7% -0.75 2–4 (33%) 0–3 (0%) 95.8 0.00 1984 1572 106.0 — — — — +13 — — 22.2% -1.83 0–2 3–1 (75%) — -0.38
23 1972 1734 136.4 — — — — -121 -79 -58 56.3% +0.56 8–11 (42%) 5–0 (100%) 103.8 +0.40 — — — — — — — — — — — — — — — —
24 1973 1781 144.7 — — — — -54 -77 -115 48.8% -0.15 3–5 (38%) 2–2 (50%) 99.8 -3.87 — — — — — — — — — — — — — — — —
25 1974 1779 137.0 — — — — -26 -97 -75 50.9% +0.11 1–4 (20%) 3–4 (43%) 97.1 -1.55 — — — — — — — — — — — — — — — —
26 1975 1906 154.1 — — — — -52 -116 — 48.2% -0.13 5–3 (63%) 2–4 (33%) 103.0 -3.84 — — — — — — — — — — — — — — — —
27 1976 1899 149.3 — — — — -31 — -111 55.9% +0.57 2–8 (20%) 2–5 (29%) 93.6 -2.44 — — — — — — — — — — — — — — — —
28 1977 1889 136.1 — — — — -61 -46 -93 57.7% +0.69 4–4 (50%) 3–1 (75%) 100.8 -0.58 — — — — — — — — — — — — — — — —
29 1978 1810 136.6 — — — — -42 -18 — 35.9% -0.87 3–4 (43%) 0–3 (0%) — -2.08 — — — — — — — — — — — — — — — —
31 1980 1813 138.2 — — — — -103 — — 73.8% +2.26 4–2 (67%) 1–0 — +0.36 — — — — — — — — — — — — — — — —
Career — 1939 149.1 — — — — -53 -61 -71 52.5% +0.27 33–46 (42%) 18–22 (45%) 98.6 -5.58 — 1743 124.2 — — — — +16 -29 -131 42.1% -0.53 21–25 (46%) 14–16 (47%) 101.0 +3.23

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.