H2H data updated: 2026-07-20 02:15 UTC
Kathleen Harter vs Billie Jean King H2H: 0-3
Billie Jean King holds a 3–0 lead over Kathleen Harter in their WTA head-to-head. Across 3 main-draw meetings, Billie Jean King leads 1–0 on carpet and 1–0 on grass. Most recently, Billie Jean King won the 1978 Detroit third round 6-3 6-4.
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Age 79
H2H
0
–
3
3 main draw meetings
Age 82
Right-Handed
164 cm / 5'5"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Feb 23, 1978* | Detroit | WTA 250 | R32 | Carpet | Billie Jean King | 6-3 6-4 | Kathleen Harter | Match data |
| Feb 21, 1968* | Salem | WTA 250 | SF | Hard | Billie Jean King | 8-6 6-1 | Kathleen Harter | Match data |
| Jan 7, 1968* | Perth | WTA 250 | SF | Grass | Billie Jean King | 8-6 6-3 | Kathleen Harter | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kathleen Harter | — | — | — | 1,748 | 106 | 103 | 50.7% | 0 | 0 | 0 | 0 | 2 | 2 |
| Billie Jean King | #22 | #13 | — | 2,402 | 684 | 160 | 81.0% | 9 | 1 | 0 | 3 | 59 | 72 |
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 | Kathleen Harter | Billie Jean King | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 21 | 1968 | 40–22 | 64.5% | — | 1,692 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 1969 | 1–1 | 50.0% | — | 1,687 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 1970 | 23–20 | 53.5% | — | 1,679 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 1971 | 9–2 | 81.8% | — | 1,734 | 0 | 2 | 1968 | 40–5 | 88.9% | — | 1,823 | 2 | 6 |
| 25 | — | — | — | — | — | — | — | 1969 | 58–14 | 80.6% | — | 2,043 | 2 | 11 |
| 26 | — | — | — | — | — | — | — | 1970 | 47–11 | 81.0% | — | 2,172 | 2 | 16 |
| 27 | 1974 | 4–5 | 44.4% | — | 1,731 | 0 | 2 | 1971 | 114–15 | 88.4% | — | 2,293 | 3 | 33 |
| 28 | 1975 | 6–8 | 42.9% | — | 1,665 | 0 | 2 | 1972 | 89–15 | 85.6% | — | 2,341 | 6 | 43 |
| 29 | 1976 | 9–16 | 36.0% | — | 1,614 | 0 | 2 | 1973 | 56–12 | 82.4% | — | 2,294 | 7 | 50 |
| 30 | 1977 | 12–20 | 37.5% | — | 1,644 | 0 | 2 | 1974 | 54–8 | 87.1% | — | 2,300 | 8 | 56 |
| 31 | 1978 | 2–9 | 18.2% | — | 1,592 | 0 | 2 | 1975 | 23–3 | 88.5% | — | 2,370 | 9 | 58 |
| 32 | — | — | — | — | — | — | — | 1976 | 2–2 | 50.0% | — | 2,316 | 9 | 58 |
| 33 | — | — | — | — | — | — | — | 1977 | 46–6 | 88.5% | — | 2,386 | 9 | 64 |
| 34 | — | — | — | — | — | — | — | 1978 | 28–12 | 70.0% | — | 2,301 | 9 | 64 |
| 35 | — | — | — | — | — | — | — | 1979 | 36–13 | 73.5% | — | 2,164 | 9 | 66 |
| 36 | — | — | — | — | — | — | — | 1980 | 39–15 | 72.2% | — | 2,122 | 9 | 69 |
| 37 | — | — | — | — | — | — | — | 1981 | 4–5 | 44.4% | — | 2,019 | 9 | 69 |
| 38 | — | — | — | — | — | — | — | 1982 | 26–19 | 57.8% | — | 1,932 | 9 | 70 |
| 39 | — | — | — | — | — | — | — | 1983 | 22–5 | 81.5% | — | 2,052 | 9 | 72 |