Ada Bakker
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Laura Dupont | 0 | 2 | 2 | Jul 28, 1972 | H2H |
| Heide Orth | 1 | 1 | 2 | Jun 26, 1970 | H2H |
| Joyce Williams | 0 | 2 | 2 | Jul 19, 1969 | H2H |
| Rosie Casals | 0 | 2 | 2 | Jun 13, 1969 | H2H |
| Sandy Stap | 0 | 1 | 1 | Jun 30, 1972 | H2H |
H2H data updated: 2026-08-31 00:00 UTC
Ada Bakker vs Heather Allen H2H: 1-0
Ada Bakker holds a 1–0 lead over Heather Allen in their WTA head-to-head. Across 1 main-draw meeting, Ada Bakker leads 1–0 on grass. Most recently, Ada Bakker won the 1968 Bristol round of 16 6-4 6-4.
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
| Winner | Score | Loser | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Ada Bakker | 6-4 6-4 | Heather Allen | Match data | Jun 14, 1968* | R16 | Bristol | WTA 250 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ada Bakker | — | — | — | 1,537 | 18 | 36 | 33.3% | 0 | 0 | 0 | 0 | 1 | 1 |
| Heather Allen | — | — | — | 1,516 | 5 | 15 | 25.0% | 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.
| Ada Bakker | Heather Allen | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 3–8 | 27.3% | — | 1,479 | 0 | 0 | 1968 | 5–10 | 33.3% | — | 1,448 | 0 | 0 |
| 1969 | 8–11 | 42.1% | — | 1,513 | 0 | 1 | 1969 | 0–2 | 0.0% | — | 1,438 | 0 | 0 |
| 1970 | 4–10 | 28.6% | — | 1,485 | 0 | 1 | 1970 | 0–2 | 0.0% | — | 1,420 | 0 | 0 |
| 1971 | 3–5 | 37.5% | — | 1,507 | 0 | 1 | 1972 | 0–1 | 0.0% | — | 1,418 | 0 | 0 |
| 1972 | 0–2 | 0.0% | — | 1,481 | 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.
| Ada Bakker | Heather Allen | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | 1 | 2 | 3 | 33.3% | 2 | 6 | 8 | 25.0% | — | — | — | — | 1968 | 0 | 1 | 1 | 0.0% | 4 | 5 | 9 | 44.4% | 1 | 3 | 4 | 25.0% | 0 | 1 | 1 | 0.0% |
| 1969 | — | — | — | — | 4 | 3 | 7 | 57.1% | 3 | 5 | 8 | 37.5% | 1 | 3 | 4 | 25.0% | 1969 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 1970 | 0 | 1 | 1 | 0.0% | 2 | 5 | 7 | 28.6% | 2 | 3 | 5 | 40.0% | — | — | — | — | 1970 | 0 | 1 | 1 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 1971 | — | — | — | — | 1 | 1 | 2 | 50.0% | 2 | 4 | 6 | 33.3% | — | — | — | — | 1972 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 1972 | — | — | — | — | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 0 | 1 | 1 | 0.0% | 8 | 12 | 20 | 40.0% | 9 | 19 | 28 | 32.1% | 1 | 3 | 4 | 25.0% | Career | 0 | 5 | 5 | 0.0% | 4 | 5 | 9 | 44.4% | 1 | 4 | 5 | 20.0% | 0 | 1 | 1 | 0.0% |
Advanced Statistics Comparison by Career Season
Rows are aligned in career order because complete birth data is unavailable. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. 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.
| Ada Bakker | Heather Allen | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Schedule |
| 1968 | 1479 | 99.9 | — | — | — | — | — | +14 | +6 | 28.6% | -1.38 | 1–0 | — | -0.30 | 1968 | 1448 | 96.1 | — | — | — | — | — | +34 | +51 | 34.4% | -1.06 | 1–1 | — | +0.14 |
| 1969 | 1513 | 112.5 | — | — | — | — | -23 | +17 | -20 | 42.9% | +0.19 | 2–2 (50%) | — | +1.17 | 1969 | 1439 | 98.5 | — | — | — | — | — | — | — | 0.0% | -3.00 | — | — | -0.42 |
| 1970 | 1485 | 107.3 | — | — | — | — | — | +5 | +4 | 27.6% | -1.48 | 1–2 (33%) | — | -0.09 | 1970 | 1421 | 96.1 | — | — | — | — | — | — | — | 0.0% | -4.75 | — | — | +0.05 |
| 1971 | 1507 | 107.9 | — | — | — | — | — | — | -10 | 36.8% | -0.84 | 2–1 (67%) | 1–0 | +0.42 | 1972 | 1419 | 101.5 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | -0.26 |
| 1972 | 1482 | 96.9 | — | — | — | — | — | — | — | 20.0% | -2.80 | 0–1 | — | +0.33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1538 | 108.8 | — | — | — | — | -23 | +12 | -6 | 34.5% | -0.81 | 6–6 (50%) | 1–0 | +2.94 | Career | 1516 | 96.4 | — | — | — | — | — | +34 | +51 | 26.2% | -1.74 | 1–1 | — | -2.45 |
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.
Heather Allen
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Judy Tegart | 0 | 2 | 2 | Jul 20, 1968 | H2H |
| Lesley Hunt | 0 | 1 | 1 | Mar 28, 1972 | H2H |
| Daphne Pattison | 0 | 1 | 1 | May 28, 1970 | H2H |
| Ann Jones | 0 | 1 | 1 | Jan 14, 1970 | H2H |
| Helen Gourlay | 0 | 1 | 1 | Apr 17, 1969 | H2H |