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

Mona Guerrant vs Janet Newberry H2H: 0-5

Janet Newberry holds a 5–0 lead over Mona Guerrant in their WTA head-to-head. Across 5 main-draw meetings, Janet Newberry leads 3–0 on clay and 1–0 on hard courts. Most recently, Janet Newberry won the 1978 Hilton Head round of 32 6-2 6-4.

USA Age 77 Right-Handed
H2H
0 5
5 main-draw meetings
USA Age 73 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Janet Newberry 6-2 6-4 Mona Guerrant Match data Apr 13, 1978* R32 Hilton Head WTA 250 Clay
Janet Newberry 7-6(1) 6-3 Mona Guerrant Match data Jan 15, 1976* R32 Houston WTA 250 Hard
Janet Newberry 3-6 6-2 6-4 Mona Guerrant Match data Aug 19, 1972* QF Moscow WTA 500
Janet Newberry 6-4 7-5 Mona Guerrant Match data Jul 29, 1972* R16 Dutch Open WTA 250 Clay
Janet Newberry 6-4 7-5 Mona Guerrant Match data Mar 25, 1972* R16 Richmond WTA 250 Clay

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
Janet Newberry 1,922 238 187 56.0% 0 0 0 1 7 8

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 Janet Newberry
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
14 1968 7–5 58.3% 1,542 0 0
15 1969 13–6 68.4% 1,631 0 2
16 1970 20–7 74.1% 1,718 0 5
17 1971 15–9 62.5% 1,757 0 5
18 1972 20–17 54.1% 1,707 0 5
19 1973 32–24 57.1% 1,851 0 5
20 1969 1–1 50.0% 1,500 0 0 1974 22–22 50.0% 1,812 0 5
21 1970 1–2 33.3% 1,504 0 0 1975 31–22 58.5% 1,903 0 6
22 1971 3–8 27.3% 1,517 0 0 1976 14–10 58.3% 1,862 0 6
23 1972 28–22 56.0% 1,733 0 1 1977 25–22 53.2% 1,875 0 7
24 1973 17–19 47.2% 1,780 0 2 1978 15–14 51.7% 1,831 0 7
25 1974 12–14 46.2% 1,779 0 2 1979 12–21 36.4% 1,680 0 7
26 1975 12–12 50.0% 1,905 0 2 1980 12–8 60.0% 1,643 0 8
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 Janet Newberry
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 %
14 1968 7 5 12 58.3%
15 1969 12 4 16 75.0% 1 2 3 33.3%
16 1970 15 3 18 83.3% 2 1 3 66.7% 3 3 6 50.0%
17 1971 2 2 4 50.0% 1 1 2 50.0% 12 6 18 66.7%
18 1972 6 4 10 60.0% 6 6 12 50.0% 6 6 12 50.0%
19 1973 6 5 11 54.5% 10 5 15 66.7% 8 5 13 61.5% 8 9 17 47.1%
20 1969 1 1 2 50.0% 1974 4 5 9 44.4% 1 4 5 20.0% 8 4 12 66.7% 9 9 18 50.0%
21 1970 1 2 3 33.3% 1975 7 5 12 58.3% 20 9 29 69.0% 3 2 5 60.0% 1 6 7 14.3%
22 1971 0 2 2 0.0% 2 2 4 50.0% 1 4 5 20.0% 1976 1 2 3 33.3% 9 4 13 69.2% 2 2 4 50.0% 2 2 4 50.0%
23 1972 4 3 7 57.1% 9 8 17 52.9% 14 9 23 60.9% 1 1 2 50.0% 1977 4 4 8 50.0% 13 7 20 65.0% 3 3 6 50.0% 5 8 13 38.5%
24 1973 3 4 7 42.9% 7 7 14 50.0% 2 4 6 33.3% 5 4 9 55.6% 1978 1 2 3 33.3% 7 5 12 58.3% 5 3 8 62.5% 2 4 6 33.3%
25 1974 1 2 3 33.3% 0 3 3 0.0% 5 5 10 50.0% 6 4 10 60.0% 1979 2 4 6 33.3% 2 5 7 28.6% 5 5 10 50.0% 1 5 6 16.7%
26 1975 4 4 8 50.0% 3 2 5 60.0% 1 1 2 50.0% 4 5 9 44.4% 1980 6 5 11 54.5% 1 1 2 50.0% 4 0 4 100.0%
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% 73 50 123 59.3% 72 48 120 60.0% 60 41 101 59.4% 28 43 71 39.4%

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 Janet Newberry
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
14 1968 1542 104.3 +45 55.6% +0.41 2–1 (67%) +0.69
15 1969 1632 120.1 +106 -86 67.4% +1.19 2–3 (40%) +1.11
16 1970 1719 128.8 +177 -163 -147 70.0% +1.70 4–4 (50%) 0–1 +3.95
17 1971 1758 132.0 +111 -30 56.9% +0.65 4–1 (80%) +0.89
18 1972 1707 131.6 +164 -98 -1 54.3% +0.39 5–4 (56%) 0–2 -0.95
19 1973 1852 140.9 -29 -44 -119 55.8% +0.08 11–8 (58%) 7–1 (88%) 106.5 -4.59
20 1969 1500 92.5 40.0% -2.40 1–0 +0.28 1974 1813 140.5 -4 -63 -20 50.5% +0.13 4–5 (44%) 5–5 (50%) 99.4 -2.47
21 1970 1504 106.4 +14 42.9% -1.00 0–1 +0.10 1975 1904 152.7 -63 +15 -117 57.6% +0.47 6–6 (50%) 6–1 (86%) 104.5 -5.60
22 1971 1517 118.6 +38 +14 35.7% -0.75 2–4 (33%) 0–3 (0%) 95.8 0.00 1976 1863 123.7 -83 +57 -40 51.8% -0.23 7–1 (88%) 3–1 (75%) 107.1 -1.77
23 1972 1734 136.4 -121 -79 -58 56.3% +0.56 8–11 (42%) 5–0 (100%) 103.8 +0.32 1977 1875 146.0 -74 +55 -101 52.8% +0.28 6–6 (50%) 2–5 (29%) 95.9 -3.22
24 1973 1781 144.7 -54 -77 -115 48.8% -0.15 3–5 (38%) 2–2 (50%) 99.8 -3.77 1978 1831 138.7 -69 +30 +11 50.7% +0.12 5–4 (56%) 0–4 (0%) 95.6 -2.30
25 1974 1779 137.0 -26 -97 -75 50.9% +0.11 1–4 (20%) 3–4 (43%) 97.1 -1.56 1979 1681 129.3 +2 +125 +112 39.1% -0.90 2–3 (40%) 4–4 (50%) 97.3 +0.41
26 1975 1906 154.1 -52 -116 48.2% -0.13 5–3 (63%) 2–4 (33%) 103.0 -3.85 1980 1644 112.8 -10 +207 60.0% +0.76 4–3 (57%) 1–1 +2.97
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 1922 142.9 +13 +8 -28 54.9% +0.32 62–49 (56%) 28–25 (53%) 101.7 -2.59

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.