H2H data updated: 2026-09-12 00:00 UTC

Mona Guerrant vs Mary Sawyer H2H: 1-0

Mona Guerrant holds a 1–0 lead over Mary Sawyer in their WTA head-to-head. Across 1 main-draw meeting, Mona Guerrant leads 1–0 on grass. Most recently, Mona Guerrant won the 1977 Sydney International round of 32 6-4 6-2.

USA Age 77 Right-Handed
H2H
1 0
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mona Guerrant 6-4 6-2 Mary Sawyer Match data Dec 15, 1977* R32 Sydney International WTA 500 Grass

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 1,941 122 116 51.3% 0 0 0 0 3 3
Mary Sawyer 1,599 22 31 41.5% 0 0 0 0 2 2

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 Mary Sawyer
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1973 0–1 0.0% 1,495 0 0
17 1974 0–1 0.0% 1,488 0 0
19 1976 1–1 50.0% 1,509 0 0
20 1969 1–1 50.0% 1,500 0 0 1977 9–10 47.4% 1,568 0 2
21 1970 1–2 33.3% 1,504 0 0 1978 3–7 30.0% 1,535 0 2
22 1971 3–8 27.3% 1,517 0 0 1979 8–9 47.1% 1,557 0 2
23 1972 28–22 56.0% 1,733 0 1 1980 0–1 0.0% 1,541 0 2
24 1973 17–19 47.2% 1,780 0 2 1981 1–1 50.0% 1,537 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% 1,890 0 2
29 1978 5–11 31.2% 1,808 0 2
31 1980 14–4 77.8% 1,812 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 Mary Sawyer
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 %
16 1973 0 1 1 0.0%
17 1974 0 1 1 0.0%
19 1976 1 1 2 50.0%
20 1969 1 1 2 50.0% 1977 3 0 3 100.0% 0 2 2 0.0% 5 8 13 38.5%
21 1970 1 2 3 33.3% 1978 0 1 1 0.0% 3 4 7 42.9%
22 1971 0 2 2 0.0% 2 2 4 50.0% 1 4 5 20.0% 1979 0 1 1 0.0% 0 1 1 0.0% 5 3 8 62.5%
23 1972 4 3 7 57.1% 9 8 17 52.9% 14 9 23 60.9% 1 1 2 50.0% 1980 0 1 1 0.0%
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% 3 1 4 75.0% 0 4 4 0.0% 14 19 33 42.4%

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 Mary Sawyer
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
16 1973 1495 98.1 0.0% -5.00 -0.15
17 1974 1489 101.3 0.0% -3.00 -0.15
19 1976 1510 105.3 40.0% -0.60 1–0 -0.11
20 1969 1500 92.5 40.0% -2.40 1–0 +0.28 1977 1569 114.9 +104 -50 50.0% -0.13 3–5 (38%) 3–1 (75%) 100.3 +2.13
21 1970 1504 106.4 +14 42.9% -1.00 0–1 +0.10 1978 1535 96.6 +3 25.0% -1.65 1–1 +1.09
22 1971 1517 118.6 +38 +14 35.7% -0.75 2–4 (33%) 0–3 (0%) 95.8 0.00 1979 1557 110.1 +76 50.0% -0.13 2–4 (33%) 2–3 (40%) 97.6 +2.76
23 1972 1734 136.4 -121 -79 -58 56.3% +0.56 8–11 (42%) 5–0 (100%) 103.8 +0.32 1980 1541 98.8 33.3% 0.00 0–1 0–1 +0.13
24 1973 1781 144.7 -54 -77 -115 48.8% -0.15 3–5 (38%) 2–2 (50%) 99.8 -3.77 1981 1537 99.2 50.0% -0.50 +0.07
25 1974 1779 137.0 -26 -97 -75 50.9% +0.11 1–4 (20%) 3–4 (43%) 97.1 -1.56
26 1975 1906 154.1 -52 -116 48.2% -0.13 5–3 (63%) 2–4 (33%) 103.0 -3.85
27 1976 1898 149.2 -30 -110 55.9% +0.57 2–8 (20%) 2–5 (29%) 93.6 -2.51
28 1977 1890 136.0 -64 -47 -93 57.7% +0.69 4–4 (50%) 3–1 (75%) 100.8 -0.54
29 1978 1809 135.5 -44 -17 35.9% -0.87 3–4 (43%) 0–3 (0%) -2.29
31 1980 1812 138.2 -108 73.8% +2.26 4–2 (67%) 1–0 +0.36
Career 1942 149.0 -53 -61 -71 52.5% +0.27 33–46 (42%) 18–22 (45%) 98.6 -5.68 1600 109.4 +104 -1 43.4% -0.53 7–11 (39%) 5–5 (50%) 97.9 +10.89

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.