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: 2026-09-12 00:00 UTC
Janet Newberry vs Chris Mattson H2H: 1-0
Janet Newberry holds a 1–0 lead over Chris Mattson in their WTA head-to-head. Across 1 main-draw meeting, Janet Newberry leads 1–0 on hard courts. Most recently, Janet Newberry won the 1970 San Diego March of Dimes 2 semifinal 6-4 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.
H2H
1
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0
1 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Janet Newberry | 6-4 6-2 | Chris Mattson | Match data | Nov 14, 1970* | SF | San Diego March of Dimes 2 | 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 |
| Chris Mattson | — | — | — | 1,516 | 4 | 5 | 44.4% | 0 | 0 | 0 | 0 | 0 | 0 |
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 | Chris Mattson | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1–1 | 50.0% | — | 1,500 | 0 | 0 |
| 1969 | 13–6 | 68.4% | — | 1,631 | 0 | 2 | 1969 | 1–2 | 33.3% | — | 1,479 | 0 | 0 |
| 1970 | 20–7 | 74.1% | — | 1,718 | 0 | 5 | 1970 | 2–2 | 50.0% | — | 1,490 | 0 | 0 |
| 1971 | 15–9 | 62.5% | — | 1,757 | 0 | 5 | — | — | — | — | — | — | — |
| 1972 | 20–17 | 54.1% | — | 1,707 | 0 | 5 | — | — | — | — | — | — | — |
| 1973 | 32–24 | 57.1% | — | 1,851 | 0 | 5 | — | — | — | — | — | — | — |
| 1974 | 22–22 | 50.0% | — | 1,812 | 0 | 5 | — | — | — | — | — | — | — |
| 1975 | 31–22 | 58.5% | — | 1,903 | 0 | 6 | — | — | — | — | — | — | — |
| 1976 | 14–10 | 58.3% | — | 1,862 | 0 | 6 | — | — | — | — | — | — | — |
| 1977 | 25–22 | 53.2% | — | 1,875 | 0 | 7 | — | — | — | — | — | — | — |
| 1978 | 15–14 | 51.7% | — | 1,831 | 0 | 7 | — | — | — | — | — | — | — |
| 1979 | 12–21 | 36.4% | — | 1,680 | 0 | 7 | — | — | — | — | — | — | — |
| 1980 | 12–8 | 60.0% | — | 1,643 | 0 | 8 | — | — | — | — | — | — | — |
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 | Chris Mattson | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 1969 | 12 | 4 | 16 | 75.0% | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — | 1969 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — |
| 1970 | 15 | 3 | 18 | 83.3% | 2 | 1 | 3 | 66.7% | 3 | 3 | 6 | 50.0% | — | — | — | — | 1970 | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 1971 | 2 | 2 | 4 | 50.0% | 1 | 1 | 2 | 50.0% | 12 | 6 | 18 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1972 | 6 | 4 | 10 | 60.0% | 6 | 6 | 12 | 50.0% | 6 | 6 | 12 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1973 | 6 | 5 | 11 | 54.5% | 10 | 5 | 15 | 66.7% | 8 | 5 | 13 | 61.5% | 8 | 9 | 17 | 47.1% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1974 | 4 | 5 | 9 | 44.4% | 1 | 4 | 5 | 20.0% | 8 | 4 | 12 | 66.7% | 9 | 9 | 18 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1975 | 7 | 5 | 12 | 58.3% | 20 | 9 | 29 | 69.0% | 3 | 2 | 5 | 60.0% | 1 | 6 | 7 | 14.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1976 | 1 | 2 | 3 | 33.3% | 9 | 4 | 13 | 69.2% | 2 | 2 | 4 | 50.0% | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1977 | 4 | 4 | 8 | 50.0% | 13 | 7 | 20 | 65.0% | 3 | 3 | 6 | 50.0% | 5 | 8 | 13 | 38.5% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1978 | 1 | 2 | 3 | 33.3% | 7 | 5 | 12 | 58.3% | 5 | 3 | 8 | 62.5% | 2 | 4 | 6 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1979 | 2 | 4 | 6 | 33.3% | 2 | 5 | 7 | 28.6% | 5 | 5 | 10 | 50.0% | 1 | 5 | 6 | 16.7% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1980 | 6 | 5 | 11 | 54.5% | 1 | 1 | 2 | 50.0% | 4 | 0 | 4 | 100.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 73 | 50 | 123 | 59.3% | 72 | 48 | 120 | 60.0% | 60 | 41 | 101 | 59.4% | 28 | 43 | 71 | 39.4% | Career | 4 | 5 | 9 | 44.4% | — | — | — | — | — | — | — | — | — | — | — | — |
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 | Chris Mattson | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1500 | 97.5 | — | — | — | — | — | — | — | 50.0% | -1.00 | — | — | — | +0.29 |
| 1969 | 1632 | 120.1 | — | — | — | — | +106 | — | -86 | 67.4% | +1.19 | 2–3 (40%) | — | — | +1.11 | 1969 | 1479 | 95.6 | — | — | — | — | +25 | — | — | 33.3% | -1.17 | — | — | — | +0.66 |
| 1970 | 1719 | 128.8 | — | — | — | — | +177 | -163 | -147 | 70.0% | +1.70 | 4–4 (50%) | 0–1 | — | +3.95 | 1970 | 1490 | 98.7 | — | — | — | — | +34 | — | — | 44.4% | -0.78 | 1–0 | — | — | +0.77 |
| 1971 | 1758 | 132.0 | — | — | — | — | +111 | — | -30 | 56.9% | +0.65 | 4–1 (80%) | — | — | +0.89 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1972 | 1707 | 131.6 | — | — | — | — | +164 | -98 | -1 | 54.3% | +0.39 | 5–4 (56%) | 0–2 | — | -0.95 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1973 | 1852 | 140.9 | — | — | — | — | -29 | -44 | -119 | 55.8% | +0.08 | 11–8 (58%) | 7–1 (88%) | 106.5 | -4.59 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1974 | 1813 | 140.5 | — | — | — | — | -4 | -63 | -20 | 50.5% | +0.13 | 4–5 (44%) | 5–5 (50%) | 99.4 | -2.47 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1975 | 1904 | 152.7 | — | — | — | — | -63 | +15 | -117 | 57.6% | +0.47 | 6–6 (50%) | 6–1 (86%) | 104.5 | -5.60 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1976 | 1863 | 123.7 | — | — | — | — | -83 | +57 | -40 | 51.8% | -0.23 | 7–1 (88%) | 3–1 (75%) | 107.1 | -1.77 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1977 | 1875 | 146.0 | — | — | — | — | -74 | +55 | -101 | 52.8% | +0.28 | 6–6 (50%) | 2–5 (29%) | 95.9 | -3.22 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1978 | 1831 | 138.7 | — | — | — | — | -69 | +30 | +11 | 50.7% | +0.12 | 5–4 (56%) | 0–4 (0%) | 95.6 | -2.30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1979 | 1681 | 129.3 | — | — | — | — | +2 | +125 | +112 | 39.1% | -0.90 | 2–3 (40%) | 4–4 (50%) | 97.3 | +0.41 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1980 | 1644 | 112.8 | — | — | — | — | -10 | — | +207 | 60.0% | +0.76 | 4–3 (57%) | 1–1 | — | +2.97 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1922 | 142.9 | — | — | — | — | +13 | +8 | -28 | 54.9% | +0.32 | 62–49 (56%) | 28–25 (53%) | 101.7 | -2.59 | Career | 1516 | 96.3 | — | — | — | — | +30 | — | — | 42.1% | -0.95 | 1–0 | — | — | +19.11 |
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.
Chris Mattson
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Janet Newberry | 0 | 1 | 1 | Nov 14, 1970 | H2H |
| Sue Boyle | 1 | 0 | 1 | Nov 14, 1970 | H2H |
| Marita Redondo | 0 | 1 | 1 | Jul 11, 1970 | H2H |
| Cynthia Ann Thomas | 1 | 0 | 1 | Jul 11, 1970 | H2H |
| Barbara Grubb | 0 | 1 | 1 | Jul 14, 1969 | H2H |