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

Janet Young vs Mona Guerrant H2H: 0-1

Mona Guerrant holds a 1–0 lead over Janet Young in their WTA head-to-head. Across 1 main-draw meeting, Mona Guerrant leads 1–0 on grass. Most recently, Mona Guerrant won the 1971 Brisbane International round of 16 3-6 6-2 6-2.

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

Janet Young
AUS Age 74
H2H
0 – 1
1 main-draw meetings
Mona Guerrant
USA Age 77 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mona Guerrant 3-6 6-2 6-2 Janet Young Match data Dec 10, 1971* R16 Brisbane 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
Janet Young — — — 1,795 80 85 48.5% 0 0 0 2 0 2
Mona Guerrant — — — 1,941 122 116 51.3% 0 0 0 0 3 3

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 Janet Young Mona Guerrant
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1968 0–2 0.0% — 1,468 0 0 — — — — — — —
17 1969 17–27 38.6% — 1,530 0 0 — — — — — — —
18 1970 4–4 50.0% — 1,556 0 0 — — — — — — —
19 1971 2–4 33.3% — 1,537 0 0 — — — — — — —
20 1972 13–11 54.2% — 1,625 0 0 1969 1–1 50.0% — 1,500 0 0
21 1973 28–22 56.0% — 1,783 0 2 1970 1–2 33.3% — 1,504 0 0
22 1974 13–11 54.2% — 1,741 0 2 1971 3–8 27.3% — 1,517 0 0
23 1975 0–1 0.0% — 1,720 0 2 1972 28–22 56.0% — 1,733 0 1
24 1976 2–2 50.0% — 1,708 0 2 1973 17–19 47.2% — 1,780 0 2
25 1977 1–1 50.0% — 1,720 0 2 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 Janet Young Mona Guerrant
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 1968 — — — — — — — — 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
17 1969 3 5 8 37.5% 9 10 19 47.4% 5 12 17 29.4% — — — — — — — — — — — — — — — — — — — — —
18 1970 — — — — — — — — 4 4 8 50.0% — — — — — — — — — — — — — — — — — — — — —
19 1971 — — — — — — — — 2 4 6 33.3% — — — — — — — — — — — — — — — — — — — — —
20 1972 — — — — 1 1 2 50.0% 12 10 22 54.5% — — — — 1969 — — — — 1 1 2 50.0% — — — — — — — —
21 1973 1 1 2 50.0% 9 12 21 42.9% 18 8 26 69.2% 0 1 1 0.0% 1970 — — — — 1 2 3 33.3% — — — — — — — —
22 1974 2 2 4 50.0% 1 1 2 50.0% 7 7 14 50.0% — — — — 1971 0 2 2 0.0% 2 2 4 50.0% 1 4 5 20.0% — — — —
23 1975 — — — — — — — — 0 1 1 0.0% — — — — 1972 4 3 7 57.1% 9 8 17 52.9% 14 9 23 60.9% 1 1 2 50.0%
24 1976 — — — — — — — — 2 2 4 50.0% — — — — 1973 3 4 7 42.9% 7 7 14 50.0% 2 4 6 33.3% 5 4 9 55.6%
25 1977 — — — — — — — — 1 1 2 50.0% — — — — 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 — 6 8 14 42.9% 20 24 44 45.5% 51 51 102 50.0% 0 1 1 0.0% — 16 21 37 43.2% 31 31 62 50.0% 32 29 61 52.5% 31 32 63 49.2%

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 Janet Young Mona Guerrant
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 1968 1469 96.8 — — — — — — — 20.0% -1.80 0–1 — — +0.21 — — — — — — — — — — — — — — — —
17 1969 1530 106.5 — — — — -36 +32 -75 37.4% -1.10 3–4 (43%) — — -0.19 — — — — — — — — — — — — — — — —
18 1970 1556 111.7 — — — — — — -44 50.0% +0.44 — — — +0.69 — — — — — — — — — — — — — — — —
19 1971 1538 104.2 — — — — — — -35 35.7% -0.93 1–1 1–2 (33%) — +0.46 — — — — — — — — — — — — — — — —
20 1972 1625 132.4 — — — — — — +19 55.6% +0.81 2–4 (33%) 1–1 — +1.79 1969 1500 92.5 — — — — — — — 40.0% -2.40 1–0 — — +0.28
21 1973 1783 135.5 — — — — -236 -217 +110 54.5% +0.46 10–6 (63%) 2–4 (33%) 102.9 +0.41 1970 1504 106.4 — — — — — +14 — 42.9% -1.00 0–1 — — +0.10
22 1974 1742 124.7 — — — — -200 — +86 56.1% +0.72 5–6 (45%) 0–2 — +1.16 1971 1517 118.6 — — — — — +38 +14 35.7% -0.75 2–4 (33%) 0–3 (0%) 95.8 0.00
23 1975 1720 94.5 — — — — — — — 0.0% -5.50 — — — +0.16 1972 1734 136.4 — — — — -121 -79 -58 56.3% +0.56 8–11 (42%) 5–0 (100%) 103.8 +0.32
24 1976 1708 101.7 — — — — — — +73 50.0% -0.10 1–1 — — +0.79 1973 1781 144.7 — — — — -54 -77 -115 48.8% -0.15 3–5 (38%) 2–2 (50%) 99.8 -3.77
25 1977 1720 109.6 — — — — — — — 40.0% -1.00 1–0 0–1 — -0.23 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 — 1796 125.9 — — — — -120 -99 +30 48.6% +0.01 23–23 (50%) 4–10 (29%) 96.2 +3.24 — 1942 149.0 — — — — -53 -61 -71 52.5% +0.27 33–46 (42%) 18–22 (45%) 98.6 -5.68

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.