H2H data updated: 2026-07-19 02:51 UTC
Valerie Ziegenfuss vs Ilana Kloss H2H: 0-2
Ilana Kloss holds a 2–0 lead over Valerie Ziegenfuss in their WTA head-to-head. Across 2 main-draw meetings, Ilana Kloss leads 1–0 on clay and 1–0 on hard courts. Most recently, Ilana Kloss won the 1978 US Open second round 3-6 6-3 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.
Age 77
H2H
0
–
2
2 main draw meetings
RSA
Age 70
Left-Handed
164 cm / 5'5"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Sep 1, 1978* | US Open | Grand Slam | R64 | Hard | Ilana Kloss | 3-6 6-3 6-4 | Valerie Ziegenfuss | Match data |
| Aug 12, 1976* | Indianapolis | WTA 250 | R32 | Clay | Ilana Kloss | 2-6 6-3 6-0 | Valerie Ziegenfuss | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valerie Ziegenfuss | — | — | — | 1,952 | 231 | 232 | 49.9% | 0 | 0 | 0 | 0 | 3 | 3 |
| Ilana Kloss | — | — | — | 1,888 | 135 | 144 | 48.4% | 0 | 0 | 0 | 0 | 8 | 8 |
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 | Valerie Ziegenfuss | Ilana Kloss | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 14 | — | — | — | — | — | — | — | 1970 | 0–1 | 0.0% | — | 1,491 | 0 | 0 |
| 15 | — | — | — | — | — | — | — | 1971 | 5–4 | 55.6% | — | 1,559 | 0 | 1 |
| 16 | — | — | — | — | — | — | — | 1972 | 13–12 | 52.0% | — | 1,591 | 0 | 3 |
| 17 | — | — | — | — | — | — | — | 1973 | 38–18 | 67.9% | — | 1,869 | 0 | 8 |
| 18 | — | — | — | — | — | — | — | 1974 | 19–16 | 54.3% | — | 1,811 | 0 | 8 |
| 19 | 1968 | 35–24 | 59.3% | — | 1,586 | 0 | 0 | 1975 | 9–20 | 31.0% | — | 1,690 | 0 | 8 |
| 20 | 1969 | 28–24 | 53.8% | — | 1,715 | 0 | 1 | 1976 | 18–15 | 54.5% | — | 1,781 | 0 | 8 |
| 21 | 1970 | 40–28 | 58.8% | — | 1,776 | 0 | 2 | 1977 | 4–13 | 23.5% | — | 1,667 | 0 | 8 |
| 22 | 1971 | 23–29 | 44.2% | — | 1,796 | 0 | 3 | 1978 | 14–11 | 56.0% | — | 1,740 | 0 | 8 |
| 23 | 1972 | 26–24 | 52.0% | — | 1,829 | 0 | 3 | 1979 | 15–26 | 36.6% | — | 1,697 | 0 | 8 |
| 24 | 1973 | 33–29 | 53.2% | — | 1,759 | 0 | 3 | 1980 | 0–7 | 0.0% | — | 1,619 | 0 | 8 |
| 25 | 1974 | 12–14 | 46.2% | — | 1,786 | 0 | 3 | — | — | — | — | — | — | — |
| 26 | 1975 | 16–16 | 50.0% | — | 1,822 | 0 | 3 | 1982 | 0–1 | 0.0% | — | 1,599 | 0 | 8 |
| 27 | 1976 | 12–20 | 37.5% | — | 1,742 | 0 | 3 | — | — | — | — | — | — | — |
| 28 | 1977 | 2–12 | 14.3% | — | 1,674 | 0 | 3 | — | — | — | — | — | — | — |
| 29 | 1978 | 3–11 | 21.4% | — | 1,651 | 0 | 3 | — | — | — | — | — | — | — |
| 30 | 1979 | 1–1 | 50.0% | — | 1,664 | 0 | 3 | — | — | — | — | — | — | — |