H2H data updated: 2026-09-14 00:00 UTC

Tina Mochizuki vs Betty Ann Grubb H2H: 0-1

Betty Ann Grubb holds a 1–0 lead over Tina Mochizuki in their WTA head-to-head. Across 1 main-draw meeting, Betty Ann Grubb leads 1–0 on hard courts. Most recently, Betty Ann Grubb won the 1968 Los Angeles Metro quarterfinal 6-3 7-5.

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

Tina Mochizuki
USA Age 73
H2H
0 – 1
1 main-draw meetings
Betty Ann Grubb
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Betty Ann Grubb 6-3 7-5 Tina Mochizuki Match data Feb 3, 1968* QF Los Angeles Metro 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
Tina Mochizuki — — — 1,679 84 134 38.5% 0 0 0 0 1 1
Betty Ann Grubb — — — 1,824 124 112 52.5% 0 0 0 0 6 6

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.

Tina Mochizuki Betty Ann Grubb
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 0–1 0.0% — 1,484 0 0 1968 21–8 72.4% — 1,633 0 2
1969 0–2 0.0% — 1,449 0 0 1969 29–14 67.4% — 1,777 0 4
1970 0–2 0.0% — 1,424 0 0 1970 18–15 54.5% — 1,684 0 4
1971 2–3 40.0% — 1,445 0 0 1971 5–11 31.2% — 1,679 0 4
1972 3–5 37.5% — 1,432 0 0 1972 2–2 50.0% — 1,673 0 5
1973 3–2 60.0% — 1,463 0 0 1973 4–4 50.0% — 1,699 0 6
1974 0–1 0.0% — 1,452 0 0 1974 7–10 41.2% — 1,675 0 6
1978 0–1 0.0% — 1,438 0 0 1975 5–4 55.6% — 1,728 0 6
1980 15–10 60.0% — 1,552 0 0 1976 2–4 33.3% — 1,683 0 6
1981 13–7 65.0% — 1,612 0 1 1977 0–2 0.0% — 1,652 0 6
1982 6–3 66.7% — 1,629 0 1 1978 3–1 75.0% — 1,660 0 6
1983 11–13 45.8% — 1,602 0 1 1979 25–26 49.0% — 1,816 0 6
1984 5–17 22.7% — 1,454 0 1 1980 2–9 18.2% — 1,721 0 6
1985 5–12 29.4% — 1,475 0 1 1981 1–2 33.3% — 1,709 0 6
1986 11–19 36.7% — 1,521 0 1 — — — — — — —
1987 8–25 24.2% — 1,455 0 1 — — — — — — —
1988 2–11 15.4% — 1,411 0 1 — — — — — — —

Surface Results by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Tina Mochizuki Betty Ann Grubb
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 %
1968 0 1 1 0.0% — — — — — — — — — — — — 1968 9 2 11 81.8% 10 3 13 76.9% 2 3 5 40.0% — — — —
1969 0 2 2 0.0% — — — — — — — — — — — — 1969 10 3 13 76.9% — — — — 14 9 23 60.9% 2 2 4 50.0%
1970 0 2 2 0.0% — — — — — — — — — — — — 1970 6 3 9 66.7% 5 4 9 55.6% 5 6 11 45.5% 1 1 2 50.0%
1971 — — — — 2 3 5 40.0% — — — — — — — — 1971 2 3 5 40.0% 2 3 5 40.0% 1 2 3 33.3% 0 3 3 0.0%
1972 2 2 4 50.0% 1 3 4 25.0% — — — — — — — — 1972 0 2 2 0.0% — — — — — — — — — — — —
1973 3 2 5 60.0% — — — — — — — — — — — — 1973 3 2 5 60.0% — — — — — — — — 1 2 3 33.3%
1974 0 1 1 0.0% — — — — — — — — — — — — 1974 6 5 11 54.5% 1 2 3 33.3% — — — — 0 3 3 0.0%
1980 8 6 14 57.1% — — — — — — — — — — — — 1975 5 3 8 62.5% — — — — — — — — 0 1 1 0.0%
1981 0 1 1 0.0% — — — — — — — — — — — — 1976 2 3 5 40.0% 0 1 1 0.0% — — — — — — — —
1982 5 2 7 71.4% — — — — — — — — 1 1 2 50.0% 1977 — — — — 0 1 1 0.0% — — — — 0 1 1 0.0%
1983 3 5 8 37.5% 2 3 5 40.0% 4 4 8 50.0% — — — — 1979 8 9 17 47.1% 4 4 8 50.0% 9 6 15 60.0% 4 7 11 36.4%
1984 2 9 11 18.2% 2 5 7 28.6% 1 3 4 25.0% — — — — 1980 0 1 1 0.0% 0 1 1 0.0% 2 2 4 50.0% 0 5 5 0.0%
1985 3 4 7 42.9% 0 3 3 0.0% 1 2 3 33.3% 1 3 4 25.0% 1981 1 2 3 33.3% — — — — — — — — — — — —
1986 7 9 16 43.8% 1 4 5 20.0% 1 3 4 25.0% 2 3 5 40.0% — — — — — — — — — — — — — — — — —
1987 3 9 12 25.0% 1 6 7 14.3% 3 6 9 33.3% 1 4 5 20.0% — — — — — — — — — — — — — — — — —
1988 0 7 7 0.0% — — — — 2 3 5 40.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
Career 36 62 98 36.7% 9 27 36 25.0% 12 21 33 36.4% 5 12 17 29.4% Career 52 38 90 57.8% 22 19 41 53.7% 33 28 61 54.1% 8 25 33 24.2%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Tina Mochizuki Betty Ann Grubb
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
1968 1484 98.0 — — — — — — — 0.0% -2.50 — — — +0.09 1968 1633 121.5 — — — — +94 +16 -113 69.8% +1.56 3–2 (60%) — — 0.00
1969 1450 94.9 — — — — — — — 20.0% -1.60 0–1 — — +0.55 1969 1777 129.3 — — — — +55 — -18 64.1% +0.96 5–3 (63%) — — +1.73
1970 1425 82.2 — — — — — — — 0.0% -5.75 — — — +0.38 1970 1685 118.2 — — — — +114 -50 +6 53.4% +0.34 4–3 (57%) 1–0 — +0.50
1971 1446 105.4 — — — — — +83 — 41.7% -1.67 1–1 2–1 (67%) — +0.16 1971 1680 131.9 — — — — +54 -42 +16 25.0% -1.81 2–0 0–2 — -2.09
1972 1432 89.9 — — — — +20 +60 — 35.3% -1.53 1–0 1–0 — +1.65 1972 1673 104.5 — — — — — — — 50.0% 0.00 — — — -0.16
1973 1464 107.3 — — — — +59 — — 54.5% +0.55 1–0 0–1 — +0.92 1973 1700 124.2 — — — — +39 — — 47.1% -0.35 1–0 0–1 — +0.31
1974 1453 100.4 — — — — — — — 33.3% -1.33 0–1 — — +0.16 1974 1676 118.4 — — — — -14 -33 — 47.2% +0.08 1–3 (25%) 0–5 (0%) 92.5 -0.32
1978 1438 98.2 — — — — — — — 0.0% -2.00 — — — +0.06 1975 1728 114.2 — — — — +19 — — 47.4% -0.31 2–1 (67%) 2–1 (67%) 101.9 +0.34
1980 1552 114.3 — — — — +26 — — 58.6% +0.64 4–4 (50%) 2–2 (50%) 102.3 +2.50 1976 1684 105.1 — — — — +18 — — 33.3% -0.58 — 0–2 — +0.77
1981 1612 122.2 — — — — — — — 61.2% +0.75 5–4 (56%) 2–2 (50%) 101.0 -0.50 1977 1653 100.1 — — — — — — — 20.0% -1.00 0–1 0–1 — +0.17
1982 1630 109.6 — — — — -12 — — 57.9% +0.47 2–1 (67%) — — +1.68 1978 1660 112.4 — — — — — — — 75.0% +2.63 — — — +0.35
1983 1603 109.9 — — — — -3 -38 +4 45.0% -0.18 7–5 (58%) 2–5 (29%) 99.8 +2.25 1979 1817 140.6 — — — — -45 -172 -41 45.3% -0.42 12–5 (71%) 5–5 (50%) 106.5 -0.93
1984 1454 106.3 — — — — +20 +74 +143 34.6% -0.73 0–8 (0%) 1–5 (17%) 87.8 +1.89 1980 1722 127.1 — — — — -73 — +67 33.3% -1.07 2–5 (29%) 1–2 (33%) 95.6 -1.30
1985 1476 106.7 — — — — +39 -8 +73 27.8% -1.78 2–2 (50%) 1–2 (33%) 100.1 +0.99 1981 1709 110.6 — — — — -33 — — 33.3% -0.50 — 0–1 — -0.04
1986 1522 112.2 — — — — +26 -72 +33 36.4% -1.26 4–2 (67%) 6–3 (67%) 106.4 +1.60 — — — — — — — — — — — — — — — —
1987 1455 108.3 — — — — +35 -45 +65 27.4% -1.58 3–6 (33%) 2–2 (50%) 99.7 +0.36 — — — — — — — — — — — — — — — —
1988 1412 109.7 — — — — -11 — +90 25.8% -1.32 1–4 (20%) 1–2 (33%) 96.9 +0.19 — — — — — — — — — — — — — — — —
Career 1680 112.0 — — — — +21 +8 +60 40.2% -0.71 31–39 (44%) 20–25 (44%) 98.4 +6.88 Career 1825 133.9 — — — — +19 -51 -20 51.1% +0.14 32–23 (58%) 9–20 (31%) 97.8 -0.29

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.