H2H data updated: 2026-07-19 02:51 UTC
Sandy Collins vs Claudia Porwik H2H: 0-1
Claudia Porwik holds a 1–0 lead over Sandy Collins in their WTA head-to-head. Across 1 main-draw meeting, Claudia Porwik leads 1–0 on hard courts. Most recently, Claudia Porwik won the 1989 Australian Open first round 6-3 6-7(3) 6-2.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jan 18, 1989* | Australian Open | Grand Slam | R128 | Hard | Claudia Porwik | 6-3 6-7(3) 6-2 | Sandy Collins | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sandy Collins | — | — | — | 1,823 | 89 | 151 | 37.1% | 0 | 0 | 0 | 0 | 0 | 0 |
| Claudia Porwik | #579 | #29 | 148 | 1,788 | 114 | 146 | 43.8% | 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 | Sandy Collins | Claudia Porwik | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 14 | 1973 | 1–1 | 50.0% | — | 1,497 | 0 | 0 | — | — | — | — | — | — | — |
| 17 | — | — | — | — | — | — | — | 1986 | 6–5 | 54.5% | #96 | 1,576 | 0 | 0 |
| 18 | — | — | — | — | — | — | — | 1987 | 13–19 | 40.6% | #104 | 1,582 | 0 | 0 |
| 19 | 1978 | 6–6 | 50.0% | — | 1,537 | 0 | 0 | 1988 | 11–16 | 40.7% | #68 | 1,572 | 0 | 0 |
| 20 | 1979 | 2–7 | 22.2% | — | 1,495 | 0 | 0 | 1989 | 19–18 | 51.4% | #75 | 1,662 | 0 | 0 |
| 21 | 1980 | 10–12 | 45.5% | — | 1,626 | 0 | 0 | 1990 | 18–17 | 51.4% | #29 | 1,667 | 0 | 0 |
| 22 | 1981 | 25–20 | 55.6% | — | 1,786 | 0 | 0 | 1991 | 14–20 | 41.2% | #80 | 1,645 | 0 | 0 |
| 23 | 1982 | 14–21 | 40.0% | — | 1,756 | 0 | 0 | 1992 | 12–18 | 40.0% | #98 | 1,599 | 0 | 0 |
| 24 | 1983 | 13–20 | 39.4% | — | 1,690 | 0 | 0 | 1993 | 13–20 | 39.4% | #92 | 1,599 | 0 | 0 |
| 25 | 1984 | 9–18 | 33.3% | — | 1,602 | 0 | 0 | 1994 | 0–1 | 0.0% | #256 | 1,583 | 0 | 0 |
| 26 | 1985 | 1–9 | 10.0% | — | 1,509 | 0 | 0 | 1995 | 4–7 | 36.4% | #133 | 1,550 | 0 | 0 |
| 27 | 1986 | 0–1 | 0.0% | — | 1,501 | 0 | 0 | 1996 | 4–5 | 44.4% | #153 | 1,562 | 0 | 0 |
| 28 | 1987 | 0–4 | 0.0% | — | 1,454 | 0 | 0 | — | — | — | — | — | — | — |
| 29 | 1988 | 3–5 | 37.5% | — | 1,492 | 0 | 0 | — | — | — | — | — | — | — |
| 30 | 1989 | 2–8 | 20.0% | — | 1,474 | 0 | 0 | — | — | — | — | — | — | — |
| 31 | 1990 | 1–9 | 10.0% | — | 1,422 | 0 | 0 | — | — | — | — | — | — | — |
| 32 | 1991 | 1–5 | 16.7% | — | 1,407 | 0 | 0 | — | — | — | — | — | — | — |
| 33 | 1992 | 1–2 | 33.3% | — | 1,414 | 0 | 0 | — | — | — | — | — | — | — |
| 34 | 1993 | 0–1 | 0.0% | — | 1,408 | 0 | 0 | — | — | — | — | — | — | — |
| 35 | 1994 | 0–2 | 0.0% | — | 1,394 | 0 | 0 | — | — | — | — | — | — | — |