Helen Kayser
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Evonne Goolagong | 0 | 6 | 6 | Jan 1, 1974 | H2H |
| Marilyn Tesch | 0 | 2 | 2 | Jan 8, 1972 | H2H |
| Jackie Fayter | 0 | 2 | 2 | Jun 4, 1970 | H2H |
| Belinda Thompson | 0 | 1 | 1 | Dec 18, 1974 | H2H |
| Mona Guerrant | 1 | 0 | 1 | Jan 7, 1972 | H2H |
H2H data updated: 2026-09-12 00:00 UTC
Helen Kayser vs Jill Cooper H2H: 1-0
Helen Kayser holds a 1–0 lead over Jill Cooper in their WTA head-to-head. Across 1 main-draw meeting, Helen Kayser leads 1–0 on clay. Most recently, Helen Kayser won the 1970 Sutton round of 32 UNK.
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 |
|---|---|---|---|---|---|---|---|---|
| Helen Kayser | UNK | Jill Cooper | Match data | Apr 23, 1970* | R32 | Sutton | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Helen Kayser | — | — | — | 1,500 | 8 | 18 | 30.8% | 0 | 0 | 0 | 0 | 0 | 0 |
| Jill Cooper | — | — | — | 1,842 | 106 | 86 | 55.2% | 0 | 0 | 0 | 0 | 5 | 5 |
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.
| Helen Kayser | Jill Cooper | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 0–1 | 0.0% | — | 1,484 | 0 | 0 | 1968 | 8–11 | 42.1% | — | 1,502 | 0 | 0 |
| 1969 | 0–1 | 0.0% | — | 1,473 | 0 | 0 | 1969 | 15–16 | 48.4% | — | 1,563 | 0 | 0 |
| 1970 | 5–11 | 31.2% | — | 1,446 | 0 | 0 | 1970 | 18–16 | 52.9% | — | 1,636 | 0 | 1 |
| 1971 | 1–1 | 50.0% | — | 1,464 | 0 | 0 | 1971 | 36–19 | 65.5% | — | 1,755 | 0 | 3 |
| 1972 | 2–2 | 50.0% | — | 1,482 | 0 | 0 | 1972 | 21–18 | 53.8% | — | 1,782 | 0 | 4 |
| 1974 | 0–2 | 0.0% | — | 1,467 | 0 | 0 | 1973 | 8–6 | 57.1% | — | 1,810 | 0 | 5 |
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.
| Helen Kayser | Jill Cooper | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 1968 | — | — | — | — | 3 | 5 | 8 | 37.5% | 2 | 4 | 6 | 33.3% | 3 | 2 | 5 | 60.0% |
| 1969 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | 1969 | — | — | — | — | 8 | 7 | 15 | 53.3% | 6 | 7 | 13 | 46.2% | 1 | 2 | 3 | 33.3% |
| 1970 | 0 | 1 | 1 | 0.0% | 2 | 4 | 6 | 33.3% | 3 | 6 | 9 | 33.3% | — | — | — | — | 1970 | — | — | — | — | 17 | 13 | 30 | 56.7% | 1 | 3 | 4 | 25.0% | — | — | — | — |
| 1971 | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | 1971 | — | — | — | — | 27 | 11 | 38 | 71.1% | 9 | 6 | 15 | 60.0% | 0 | 2 | 2 | 0.0% |
| 1972 | — | — | — | — | 0 | 1 | 1 | 0.0% | 2 | 1 | 3 | 66.7% | — | — | — | — | 1972 | 2 | 4 | 6 | 33.3% | 9 | 9 | 18 | 50.0% | 10 | 4 | 14 | 71.4% | 0 | 1 | 1 | 0.0% |
| 1974 | — | — | — | — | — | — | — | — | 0 | 2 | 2 | 0.0% | — | — | — | — | 1973 | — | — | — | — | — | — | — | — | 2 | 3 | 5 | 40.0% | 6 | 3 | 9 | 66.7% |
| Career | 0 | 1 | 1 | 0.0% | 2 | 6 | 8 | 25.0% | 6 | 11 | 17 | 35.3% | — | — | — | — | Career | 2 | 4 | 6 | 33.3% | 64 | 45 | 109 | 58.7% | 30 | 27 | 57 | 52.6% | 10 | 10 | 20 | 50.0% |
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.
| Helen Kayser | Jill Cooper | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1485 | 96.5 | — | — | — | — | — | — | — | 0.0% | -3.50 | — | — | — | +0.06 | 1968 | 1503 | 104.1 | — | — | — | — | +72 | -22 | -18 | 45.0% | -0.23 | 0–2 | — | — | +0.30 |
| 1969 | 1473 | 96.5 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | +0.13 | 1969 | 1563 | 120.2 | — | — | — | — | -4 | +8 | -38 | 51.6% | +0.50 | 1–3 (25%) | — | — | +0.29 |
| 1970 | 1447 | 98.9 | — | — | — | — | — | +26 | +43 | 29.4% | -1.09 | 2–2 (50%) | — | — | +1.33 | 1970 | 1637 | 131.2 | — | — | — | — | — | +37 | -131 | 54.8% | +0.47 | 3–6 (33%) | — | — | +0.24 |
| 1971 | 1464 | 103.3 | — | — | — | — | — | — | — | 0.0% | -5.00 | — | — | — | +0.23 | 1971 | 1755 | 149.8 | — | — | — | — | — | +87 | -136 | 69.2% | +1.79 | 2–9 (18%) | 2–0 | — | +0.56 |
| 1972 | 1483 | 109.5 | — | — | — | — | — | — | +58 | 44.4% | 0.00 | 1–0 | — | — | +0.01 | 1972 | 1782 | 139.2 | — | — | — | — | -234 | +33 | -67 | 56.8% | +0.69 | 3–4 (43%) | — | — | -2.79 |
| 1974 | 1467 | 108.7 | — | — | — | — | — | — | — | 0.0% | -3.25 | — | — | — | -0.18 | 1973 | 1811 | 126.8 | — | — | — | — | -140 | — | -88 | 53.1% | +0.34 | 3–1 (75%) | — | — | +0.26 |
| Career | 1500 | 103.9 | — | — | — | — | — | +26 | +47 | 26.4% | -1.42 | 3–2 (60%) | — | — | +6.08 | Career | 1843 | 138.6 | — | — | — | — | -106 | +45 | -80 | 57.7% | +0.82 | 12–25 (32%) | 2–0 | — | -0.60 |
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.
Jill Cooper
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Corinne Molesworth | 6 | 2 | 8 | Nov 3, 1973 | H2H |
| Evonne Goolagong | 0 | 6 | 6 | Jun 29, 1973 | H2H |
| Gail Sherriff | 1 | 4 | 5 | May 11, 1972 | H2H |
| Shirley Bloomer | 3 | 2 | 5 | May 8, 1971 | H2H |
| Joyce Williams | 1 | 3 | 4 | Jul 22, 1973 | H2H |