Janet Newberry
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Mima Jausovec | 3 | 6 | 9 | May 27, 1978 | H2H |
| Rosie Casals | 0 | 9 | 9 | Feb 3, 1978 | H2H |
| Laura Dupont | 5 | 4 | 9 | Feb 2, 1978 | H2H |
| Chris Evert | 0 | 8 | 8 | May 11, 1979 | H2H |
| Kerry Reid | 1 | 7 | 8 | Feb 23, 1978 | H2H |
H2H data updated: 2026-09-14 00:00 UTC
Janet Newberry vs Betty Ann Grubb H2H: 3-0
Janet Newberry holds a 3–0 lead over Betty Ann Grubb in their WTA head-to-head. Across 3 main-draw meetings, Janet Newberry leads 2–0 on clay and 1–0 on hard courts. Most recently, Janet Newberry won the 1979 Italian Open round of 32 6-0 7-6.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
3
–
0
3 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Janet Newberry | 6-0 7-6 | Betty Ann Grubb | Match data | May 10, 1979* | R32 | Italian Open | WTA 250 | Clay |
| Janet Newberry | 4-6 8-6 6-4 | Betty Ann Grubb | Match data | May 30, 1970* | SF | Tulsa | WTA 250 | Clay |
| Janet Newberry | 6-3 6-1 | Betty Ann Grubb | Match data | May 10, 1969* | SF | Los Angeles Socal Chps | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Janet Newberry | — | — | — | 1,922 | 238 | 187 | 56.0% | 0 | 0 | 0 | 1 | 7 | 8 |
| 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.
| Janet Newberry | Betty Ann Grubb | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 7–5 | 58.3% | — | 1,542 | 0 | 0 | 1968 | 21–8 | 72.4% | — | 1,633 | 0 | 2 |
| 1969 | 13–6 | 68.4% | — | 1,631 | 0 | 2 | 1969 | 29–14 | 67.4% | — | 1,777 | 0 | 4 |
| 1970 | 20–7 | 74.1% | — | 1,718 | 0 | 5 | 1970 | 18–15 | 54.5% | — | 1,684 | 0 | 4 |
| 1971 | 15–9 | 62.5% | — | 1,757 | 0 | 5 | 1971 | 5–11 | 31.2% | — | 1,679 | 0 | 4 |
| 1972 | 20–17 | 54.1% | — | 1,707 | 0 | 5 | 1972 | 2–2 | 50.0% | — | 1,673 | 0 | 5 |
| 1973 | 32–24 | 57.1% | — | 1,851 | 0 | 5 | 1973 | 4–4 | 50.0% | — | 1,699 | 0 | 6 |
| 1974 | 22–22 | 50.0% | — | 1,812 | 0 | 5 | 1974 | 7–10 | 41.2% | — | 1,675 | 0 | 6 |
| 1975 | 31–22 | 58.5% | — | 1,903 | 0 | 6 | 1975 | 5–4 | 55.6% | — | 1,728 | 0 | 6 |
| 1976 | 14–10 | 58.3% | — | 1,862 | 0 | 6 | 1976 | 2–4 | 33.3% | — | 1,683 | 0 | 6 |
| 1977 | 25–22 | 53.2% | — | 1,875 | 0 | 7 | 1977 | 0–2 | 0.0% | — | 1,652 | 0 | 6 |
| 1978 | 15–14 | 51.7% | — | 1,831 | 0 | 7 | 1978 | 3–1 | 75.0% | — | 1,660 | 0 | 6 |
| 1979 | 12–21 | 36.4% | — | 1,680 | 0 | 7 | 1979 | 25–26 | 49.0% | — | 1,816 | 0 | 6 |
| 1980 | 12–8 | 60.0% | — | 1,643 | 0 | 8 | 1980 | 2–9 | 18.2% | — | 1,721 | 0 | 6 |
| — | — | — | — | — | — | — | 1981 | 1–2 | 33.3% | — | 1,709 | 0 | 6 |
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.
| Janet Newberry | Betty Ann Grubb | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | ||||||||||||||||||||||||
| 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 | 7 | 5 | 12 | 58.3% | — | — | — | — | — | — | — | — | — | — | — | — | 1968 | 9 | 2 | 11 | 81.8% | 10 | 3 | 13 | 76.9% | 2 | 3 | 5 | 40.0% | — | — | — | — |
| 1969 | 12 | 4 | 16 | 75.0% | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — | 1969 | 10 | 3 | 13 | 76.9% | — | — | — | — | 14 | 9 | 23 | 60.9% | 2 | 2 | 4 | 50.0% |
| 1970 | 15 | 3 | 18 | 83.3% | 2 | 1 | 3 | 66.7% | 3 | 3 | 6 | 50.0% | — | — | — | — | 1970 | 6 | 3 | 9 | 66.7% | 5 | 4 | 9 | 55.6% | 5 | 6 | 11 | 45.5% | 1 | 1 | 2 | 50.0% |
| 1971 | 2 | 2 | 4 | 50.0% | 1 | 1 | 2 | 50.0% | 12 | 6 | 18 | 66.7% | — | — | — | — | 1971 | 2 | 3 | 5 | 40.0% | 2 | 3 | 5 | 40.0% | 1 | 2 | 3 | 33.3% | 0 | 3 | 3 | 0.0% |
| 1972 | 6 | 4 | 10 | 60.0% | 6 | 6 | 12 | 50.0% | 6 | 6 | 12 | 50.0% | — | — | — | — | 1972 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 1973 | 6 | 5 | 11 | 54.5% | 10 | 5 | 15 | 66.7% | 8 | 5 | 13 | 61.5% | 8 | 9 | 17 | 47.1% | 1973 | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 33.3% |
| 1974 | 4 | 5 | 9 | 44.4% | 1 | 4 | 5 | 20.0% | 8 | 4 | 12 | 66.7% | 9 | 9 | 18 | 50.0% | 1974 | 6 | 5 | 11 | 54.5% | 1 | 2 | 3 | 33.3% | — | — | — | — | 0 | 3 | 3 | 0.0% |
| 1975 | 7 | 5 | 12 | 58.3% | 20 | 9 | 29 | 69.0% | 3 | 2 | 5 | 60.0% | 1 | 6 | 7 | 14.3% | 1975 | 5 | 3 | 8 | 62.5% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 1976 | 1 | 2 | 3 | 33.3% | 9 | 4 | 13 | 69.2% | 2 | 2 | 4 | 50.0% | 2 | 2 | 4 | 50.0% | 1976 | 2 | 3 | 5 | 40.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 1977 | 4 | 4 | 8 | 50.0% | 13 | 7 | 20 | 65.0% | 3 | 3 | 6 | 50.0% | 5 | 8 | 13 | 38.5% | 1977 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 1978 | 1 | 2 | 3 | 33.3% | 7 | 5 | 12 | 58.3% | 5 | 3 | 8 | 62.5% | 2 | 4 | 6 | 33.3% | 1979 | 8 | 9 | 17 | 47.1% | 4 | 4 | 8 | 50.0% | 9 | 6 | 15 | 60.0% | 4 | 7 | 11 | 36.4% |
| 1979 | 2 | 4 | 6 | 33.3% | 2 | 5 | 7 | 28.6% | 5 | 5 | 10 | 50.0% | 1 | 5 | 6 | 16.7% | 1980 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | 2 | 2 | 4 | 50.0% | 0 | 5 | 5 | 0.0% |
| 1980 | 6 | 5 | 11 | 54.5% | 1 | 1 | 2 | 50.0% | 4 | 0 | 4 | 100.0% | — | — | — | — | 1981 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 73 | 50 | 123 | 59.3% | 72 | 48 | 120 | 60.0% | 60 | 41 | 101 | 59.4% | 28 | 43 | 71 | 39.4% | 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.
| Janet Newberry | 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 | 1542 | 104.3 | — | — | — | — | +45 | — | — | 55.6% | +0.41 | 2–1 (67%) | — | — | +0.69 | 1968 | 1633 | 121.5 | — | — | — | — | +94 | +16 | -113 | 69.8% | +1.56 | 3–2 (60%) | — | — | 0.00 |
| 1969 | 1632 | 120.1 | — | — | — | — | +106 | — | -86 | 67.4% | +1.19 | 2–3 (40%) | — | — | +1.11 | 1969 | 1777 | 129.3 | — | — | — | — | +55 | — | -18 | 64.1% | +0.96 | 5–3 (63%) | — | — | +1.73 |
| 1970 | 1719 | 128.8 | — | — | — | — | +177 | -163 | -147 | 70.0% | +1.70 | 4–4 (50%) | 0–1 | — | +3.95 | 1970 | 1685 | 118.2 | — | — | — | — | +114 | -50 | +6 | 53.4% | +0.34 | 4–3 (57%) | 1–0 | — | +0.50 |
| 1971 | 1758 | 132.0 | — | — | — | — | +111 | — | -30 | 56.9% | +0.65 | 4–1 (80%) | — | — | +0.89 | 1971 | 1680 | 131.9 | — | — | — | — | +54 | -42 | +16 | 25.0% | -1.81 | 2–0 | 0–2 | — | -2.09 |
| 1972 | 1707 | 131.6 | — | — | — | — | +164 | -98 | -1 | 54.3% | +0.39 | 5–4 (56%) | 0–2 | — | -0.95 | 1972 | 1673 | 104.5 | — | — | — | — | — | — | — | 50.0% | 0.00 | — | — | — | -0.16 |
| 1973 | 1852 | 140.9 | — | — | — | — | -29 | -44 | -119 | 55.8% | +0.08 | 11–8 (58%) | 7–1 (88%) | 106.5 | -4.59 | 1973 | 1700 | 124.2 | — | — | — | — | +39 | — | — | 47.1% | -0.35 | 1–0 | 0–1 | — | +0.31 |
| 1974 | 1813 | 140.5 | — | — | — | — | -4 | -63 | -20 | 50.5% | +0.13 | 4–5 (44%) | 5–5 (50%) | 99.4 | -2.47 | 1974 | 1676 | 118.4 | — | — | — | — | -14 | -33 | — | 47.2% | +0.08 | 1–3 (25%) | 0–5 (0%) | 92.5 | -0.32 |
| 1975 | 1904 | 152.7 | — | — | — | — | -63 | +15 | -117 | 57.6% | +0.47 | 6–6 (50%) | 6–1 (86%) | 104.5 | -5.60 | 1975 | 1728 | 114.2 | — | — | — | — | +19 | — | — | 47.4% | -0.31 | 2–1 (67%) | 2–1 (67%) | 101.9 | +0.34 |
| 1976 | 1863 | 123.7 | — | — | — | — | -83 | +57 | -40 | 51.8% | -0.23 | 7–1 (88%) | 3–1 (75%) | 107.1 | -1.77 | 1976 | 1684 | 105.1 | — | — | — | — | +18 | — | — | 33.3% | -0.58 | — | 0–2 | — | +0.77 |
| 1977 | 1875 | 146.0 | — | — | — | — | -74 | +55 | -101 | 52.8% | +0.28 | 6–6 (50%) | 2–5 (29%) | 95.9 | -3.22 | 1977 | 1653 | 100.1 | — | — | — | — | — | — | — | 20.0% | -1.00 | 0–1 | 0–1 | — | +0.17 |
| 1978 | 1831 | 138.7 | — | — | — | — | -69 | +30 | +11 | 50.7% | +0.12 | 5–4 (56%) | 0–4 (0%) | 95.6 | -2.30 | 1978 | 1660 | 112.4 | — | — | — | — | — | — | — | 75.0% | +2.63 | — | — | — | +0.35 |
| 1979 | 1681 | 129.3 | — | — | — | — | +2 | +125 | +112 | 39.1% | -0.90 | 2–3 (40%) | 4–4 (50%) | 97.3 | +0.41 | 1979 | 1817 | 140.6 | — | — | — | — | -45 | -172 | -41 | 45.3% | -0.42 | 12–5 (71%) | 5–5 (50%) | 106.5 | -0.93 |
| 1980 | 1644 | 112.8 | — | — | — | — | -10 | — | +207 | 60.0% | +0.76 | 4–3 (57%) | 1–1 | — | +2.97 | 1980 | 1722 | 127.1 | — | — | — | — | -73 | — | +67 | 33.3% | -1.07 | 2–5 (29%) | 1–2 (33%) | 95.6 | -1.30 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1981 | 1709 | 110.6 | — | — | — | — | -33 | — | — | 33.3% | -0.50 | — | 0–1 | — | -0.04 |
| Career | 1922 | 142.9 | — | — | — | — | +13 | +8 | -28 | 54.9% | +0.32 | 62–49 (56%) | 28–25 (53%) | 101.7 | -2.59 | 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.
Betty Ann Grubb
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Laura Dupont | 2 | 4 | 6 | Mar 13, 1980 | H2H |
| Billie Jean King | 1 | 5 | 6 | Jan 10, 1980 | H2H |
| Sherry Acker | 4 | 1 | 5 | Sep 3, 1981 | H2H |
| Kerry Reid | 1 | 4 | 5 | Oct 26, 1979 | H2H |
| Esme Emmanuel | 3 | 2 | 5 | Feb 26, 1970 | H2H |