H2H data updated: 2026-07-19 14:15 UTC
Yvonne Vermaak vs Phyllis Blackwell H2H: 1-0
Yvonne Vermaak holds a 1–0 lead over Phyllis Blackwell in their WTA head-to-head. Across 1 main-draw meeting, Yvonne Vermaak leads 1–0 on hard courts. Most recently, Yvonne Vermaak won the 1983 US Open first round 6-4 6-1.
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RSA
Age 69
Right-Handed
155 cm / 5'1"
H2H
1
–
0
1 main draw meetings
Age 69
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Sep 1, 1983* | US Open | Grand Slam | R128 | Hard | Yvonne Vermaak | 6-4 6-1 | Phyllis Blackwell | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yvonne Vermaak | #558 | #38 | 10 | 1,891 | 239 | 249 | 49.0% | 0 | 0 | 0 | 0 | 5 | 5 |
| Phyllis Blackwell | — | — | — | 1,641 | 28 | 26 | 51.9% | 0 | 0 | 0 | 0 | 1 | 1 |
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 | Yvonne Vermaak | Phyllis Blackwell | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | 1973 | 0–2 | 0.0% | — | 1,495 | 0 | 0 | — | — | — | — | — | — | — |
| 17 | 1974 | 1–2 | 33.3% | — | 1,489 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 1975 | 15–12 | 55.6% | — | 1,599 | 0 | 0 | 1975 | 0–2 | 0.0% | — | 1,465 | 0 | 0 |
| 19 | 1976 | 8–10 | 44.4% | — | 1,607 | 0 | 1 | 1976 | 1–1 | 50.0% | — | 1,465 | 0 | 0 |
| 20 | 1977 | 20–14 | 58.8% | — | 1,766 | 0 | 2 | 1977 | 0–1 | 0.0% | — | 1,451 | 0 | 0 |
| 21 | 1978 | 29–23 | 55.8% | — | 1,797 | 0 | 2 | — | — | — | — | — | — | — |
| 22 | 1979 | 15–23 | 39.5% | — | 1,781 | 0 | 2 | — | — | — | — | — | — | — |
| 23 | 1980 | 19–18 | 51.4% | — | 1,740 | 0 | 2 | 1980 | 5–8 | 38.5% | — | 1,466 | 0 | 0 |
| 24 | 1981 | 19–28 | 40.4% | — | 1,721 | 0 | 2 | — | — | — | — | — | — | — |
| 25 | 1982 | 36–27 | 57.1% | — | 1,819 | 0 | 2 | 1982 | 21–11 | 65.6% | — | 1,613 | 0 | 1 |
| 26 | 1983 | 33–26 | 55.9% | — | 1,754 | 0 | 4 | 1983 | 1–3 | 25.0% | — | 1,599 | 0 | 1 |
| 27 | 1984 | 29–28 | 50.9% | #41 | 1,801 | 0 | 5 | — | — | — | — | — | — | — |
| 28 | 1985 | 8–21 | 27.6% | #41 | 1,605 | 0 | 5 | — | — | — | — | — | — | — |
| 29 | 1986 | 6–11 | 35.3% | #104 | 1,565 | 0 | 5 | — | — | — | — | — | — | — |
| 30 | 1987 | 1–3 | 25.0% | #201 | 1,558 | 0 | 5 | — | — | — | — | — | — | — |
| 31 | 1988 | 0–1 | 0.0% | #287 | 1,542 | 0 | 5 | — | — | — | — | — | — | — |