H2H data updated: 2026-07-18 02:15 UTC
Ann Kiyomura Hayashi vs Vicky Oosthuizen H2H: 1-0
Ann Kiyomura Hayashi holds a 1–0 lead over Vicky Oosthuizen in their WTA head-to-head. Across 1 main-draw meeting, Ann Kiyomura Hayashi leads 1–0 on hard courts. Most recently, Ann Kiyomura Hayashi won the 1973 Johannesburg third round 4-6 7-5 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.
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Nov 22, 1973* | Johannesburg | WTA 250 | R32 | Hard | Ann Kiyomura Hayashi | 4-6 7-5 6-4 | Vicky Oosthuizen | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ann Kiyomura Hayashi | — | — | — | 1,924 | 182 | 200 | 47.6% | 0 | 0 | 0 | 0 | 2 | 2 |
| Vicky Oosthuizen | — | — | — | 1,513 | 1 | 6 | 14.3% | 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.
| Ann Kiyomura Hayashi | Vicky Oosthuizen | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 0–1 | 0.0% | — | 1,488 | 0 | 0 | 1969 | 1–2 | 33.3% | — | 1,494 | 0 | 0 |
| 1969 | 0–1 | 0.0% | — | 1,473 | 0 | 0 | 1970 | 0–1 | 0.0% | — | 1,491 | 0 | 0 |
| 1970 | 0–1 | 0.0% | — | 1,459 | 0 | 0 | 1971 | 0–2 | 0.0% | — | 1,464 | 0 | 0 |
| 1971 | 0–1 | 0.0% | — | 1,456 | 0 | 0 | 1973 | 0–1 | 0.0% | — | 1,455 | 0 | 0 |
| 1972 | 5–4 | 55.6% | — | 1,515 | 0 | 0 | — | — | — | — | — | — | — |
| 1973 | 28–30 | 48.3% | — | 1,649 | 0 | 0 | — | — | — | — | — | — | — |
| 1974 | 24–13 | 64.9% | — | 1,789 | 0 | 0 | — | — | — | — | — | — | — |
| 1975 | 7–12 | 36.8% | — | 1,770 | 0 | 0 | — | — | — | — | — | — | — |
| 1976 | 9–16 | 36.0% | — | 1,714 | 0 | 0 | — | — | — | — | — | — | — |
| 1977 | 4–8 | 33.3% | — | 1,731 | 0 | 0 | — | — | — | — | — | — | — |
| 1978 | 10–7 | 58.8% | — | 1,803 | 0 | 1 | — | — | — | — | — | — | — |
| 1979 | 26–22 | 54.2% | — | 1,873 | 0 | 1 | — | — | — | — | — | — | — |
| 1980 | 13–20 | 39.4% | — | 1,719 | 0 | 1 | — | — | — | — | — | — | — |
| 1981 | 23–19 | 54.8% | — | 1,853 | 0 | 2 | — | — | — | — | — | — | — |
| 1982 | 18–20 | 47.4% | — | 1,827 | 0 | 2 | — | — | — | — | — | — | — |
| 1983 | 13–20 | 39.4% | — | 1,713 | 0 | 2 | — | — | — | — | — | — | — |
| 1984 | 2–5 | 28.6% | — | 1,684 | 0 | 2 | — | — | — | — | — | — | — |