Barbara Hallquist
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Tracy Austin | 0 | 4 | 4 | Oct 9, 1980 | H2H |
| Wendy Turnbull | 1 | 3 | 4 | Sep 1, 1980 | H2H |
| Andrea Leand | 0 | 3 | 3 | Jun 24, 1983 | H2H |
| Barbara Potter | 0 | 3 | 3 | Mar 17, 1983 | H2H |
| Wendy White | 2 | 1 | 3 | Dec 3, 1982 | H2H |
H2H data updated: 2026-10-19 00:00 UTC
Barbara Hallquist vs Sherry Acker H2H: 0-2
Sherry Acker holds a 2–0 lead over Barbara Hallquist in their WTA head-to-head. Across 2 main-draw meetings, Sherry Acker leads 1–0 on clay and 1–0 on hard courts. Most recently, Sherry Acker won the 1980 Las Vegas round of 32 6-0 6-3.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Sherry Acker | 6-0 6-3 | Barbara Hallquist | Match data | Sep 18, 1980* | R32 | Las Vegas | WTA 250 | Hard |
| Sherry Acker | 6-2 2-6 | Barbara Hallquist | Match data | Aug 9, 1979* | R32 | Indianapolis | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Barbara Hallquist | — | — | — | 1,778 | 67 | 90 | 42.7% | 0 | 0 | 0 | 0 | 0 | 0 |
| Sherry Acker | — | — | — | 1,844 | 63 | 100 | 38.7% | 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.
| Age | Barbara Hallquist | Sherry Acker | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | 1973 | 2–1 | 66.7% | — | 1,516 | 0 | 0 | — | — | — | — | — | — | — |
| 17 | 1974 | 2–3 | 40.0% | — | 1,500 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 1975 | 3–1 | 75.0% | — | 1,541 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1976 | 0–1 | 0.0% | — | 1,530 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1977 | 4–2 | 66.7% | — | 1,577 | 0 | 0 | 1979 | 13–21 | 38.2% | — | 1,591 | 0 | 0 |
| 21 | 1978 | 8–9 | 47.1% | — | 1,616 | 0 | 0 | 1980 | 29–31 | 48.3% | — | 1,832 | 0 | 0 |
| 22 | 1979 | 3–13 | 18.8% | — | 1,565 | 0 | 0 | 1981 | 8–19 | 29.6% | — | 1,682 | 0 | 0 |
| 23 | 1980 | 14–13 | 51.9% | — | 1,703 | 0 | 0 | 1982 | 1–5 | 16.7% | — | 1,632 | 0 | 0 |
| 24 | 1981 | 14–17 | 45.2% | — | 1,737 | 0 | 0 | 1983 | 11–15 | 42.3% | — | 1,619 | 0 | 0 |
| 25 | 1982 | 12–14 | 46.2% | — | 1,707 | 0 | 0 | 1984 | 1–9 | 10.0% | — | 1,524 | 0 | 0 |
| 26 | 1983 | 5–16 | 23.8% | — | 1,567 | 0 | 0 | — | — | — | — | — | — | — |
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 | Barbara Hallquist | Sherry Acker | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | |||
| 16 | 1973 | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 17 | 1974 | 2 | 2 | 4 | 50.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 1975 | — | — | — | — | — | — | — | — | 3 | 1 | 4 | 75.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 1976 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 1977 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 1979 | 7 | 6 | 13 | 53.8% | 3 | 5 | 8 | 37.5% | 1 | 6 | 7 | 14.3% | 2 | 4 | 6 | 33.3% |
| 21 | 1978 | 3 | 4 | 7 | 42.9% | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | 1980 | 5 | 6 | 11 | 45.5% | 3 | 4 | 7 | 42.9% | 4 | 3 | 7 | 57.1% | 17 | 18 | 35 | 48.6% |
| 22 | 1979 | 3 | 4 | 7 | 42.9% | 0 | 1 | 1 | 0.0% | 0 | 6 | 6 | 0.0% | 0 | 2 | 2 | 0.0% | 1981 | 4 | 5 | 9 | 44.4% | 1 | 2 | 3 | 33.3% | 2 | 6 | 8 | 25.0% | 1 | 6 | 7 | 14.3% |
| 23 | 1980 | 7 | 8 | 15 | 46.7% | 2 | 2 | 4 | 50.0% | 5 | 3 | 8 | 62.5% | — | — | — | — | 1982 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% |
| 24 | 1981 | 7 | 6 | 13 | 53.8% | — | — | — | — | 7 | 6 | 13 | 53.8% | 0 | 5 | 5 | 0.0% | 1983 | 4 | 6 | 10 | 40.0% | 0 | 1 | 1 | 0.0% | 6 | 6 | 12 | 50.0% | 1 | 2 | 3 | 33.3% |
| 25 | 1982 | 7 | 5 | 12 | 58.3% | 0 | 3 | 3 | 0.0% | 5 | 6 | 11 | 45.5% | — | — | — | — | 1984 | 0 | 5 | 5 | 0.0% | — | — | — | — | 0 | 2 | 2 | 0.0% | 1 | 2 | 3 | 33.3% |
| 26 | 1983 | 3 | 8 | 11 | 27.3% | 0 | 3 | 3 | 0.0% | 1 | 3 | 4 | 25.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 34 | 38 | 72 | 47.2% | 3 | 12 | 15 | 20.0% | 22 | 28 | 50 | 44.0% | 1 | 9 | 10 | 10.0% | — | 20 | 29 | 49 | 40.8% | 7 | 13 | 20 | 35.0% | 14 | 25 | 39 | 35.9% | 22 | 33 | 55 | 40.0% |
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 | Barbara Hallquist | Sherry Acker | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1973 | 1516 | 110.1 | — | — | — | — | +80 | — | — | 66.7% | +2.33 | — | — | — | +0.83 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 17 | 1974 | 1500 | 97.3 | — | — | — | — | +94 | — | — | 38.5% | -0.85 | 2–1 (67%) | 0–1 | — | +1.26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 1975 | 1541 | 102.9 | — | — | — | — | — | — | +36 | 60.0% | +0.60 | 2–0 | 1–1 | — | +0.62 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 1976 | 1530 | 102.4 | — | — | — | — | — | — | — | 33.3% | -1.00 | 0–1 | — | — | +0.08 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 1977 | 1578 | 113.0 | — | — | — | — | — | — | — | 57.1% | +0.21 | 2–0 | 1–0 | — | +0.30 | 1979 | 1592 | 125.7 | — | — | — | — | +77 | -54 | -63 | 40.0% | -0.87 | 2–4 (33%) | 2–3 (40%) | 98.5 | +2.58 |
| 21 | 1978 | 1616 | 117.7 | — | — | — | — | +29 | — | -43 | 48.6% | -0.16 | 3–2 (60%) | 2–1 (67%) | — | +0.13 | 1980 | 1833 | 147.5 | — | — | — | — | +12 | -287 | -234 | 47.8% | -0.02 | 10–8 (56%) | 6–6 (50%) | 106.3 | -3.15 |
| 22 | 1979 | 1566 | 114.8 | — | — | — | — | +87 | — | -68 | 27.0% | -1.76 | 3–4 (43%) | 0–1 | — | -0.92 | 1981 | 1683 | 125.7 | — | — | — | — | +54 | -94 | -123 | 33.3% | -0.87 | 2–5 (29%) | 2–5 (29%) | 94.0 | -2.47 |
| 23 | 1980 | 1704 | 131.6 | — | — | — | — | -27 | -213 | -91 | 52.4% | -0.19 | 4–5 (44%) | 6–1 (86%) | 104.8 | -1.47 | 1982 | 1632 | 123.1 | — | — | — | — | — | — | -42 | 33.3% | -0.87 | 0–3 (0%) | 1–2 (33%) | — | +0.18 |
| 24 | 1981 | 1737 | 128.5 | — | — | — | — | -9 | — | -69 | 43.2% | -0.74 | 8–4 (67%) | 2–0 | — | -2.02 | 1983 | 1620 | 119.1 | — | — | — | — | +5 | — | +38 | 39.3% | -0.70 | 4–2 (67%) | 3–4 (43%) | 102.8 | +0.08 |
| 25 | 1982 | 1708 | 102.3 | — | — | — | — | -1 | -251 | -62 | 44.1% | -0.80 | 5–2 (71%) | 4–4 (50%) | 102.9 | -0.55 | 1984 | 1524 | 98.7 | — | — | — | — | -5 | — | — | 24.0% | -1.40 | 1–4 (20%) | 1–3 (25%) | 95.3 | +0.60 |
| 26 | 1983 | 1568 | 105.1 | — | — | — | — | +49 | -96 | +31 | 28.3% | -1.37 | 1–3 (25%) | 0–3 (0%) | 93.9 | +0.62 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1778 | 121.7 | — | — | — | — | +21 | -189 | -53 | 43.1% | -0.66 | 30–22 (58%) | 16–12 (57%) | 106.7 | -0.71 | — | 1844 | 135.7 | — | — | — | — | +28 | -151 | -74 | 40.4% | -0.56 | 19–26 (42%) | 15–23 (39%) | 97.2 | -1.35 |
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.
Sherry Acker
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Virginia Wade | 0 | 5 | 5 | Oct 8, 1981 | H2H |
| Betty Ann Grubb | 1 | 4 | 5 | Sep 3, 1981 | H2H |
| Mary Lou Piatek | 0 | 4 | 4 | Sep 1, 1983 | H2H |
| Martina Navratilova | 0 | 4 | 4 | Jun 24, 1983 | H2H |
| Barbara Potter | 3 | 1 | 4 | Nov 19, 1981 | H2H |