Site data updated: 2026-05-28 18:14 UTC
Mary Lou Piatek def. Ann Kiyomura Hayashi
6-1 7-5
Match Information
| Date | Aug 28, 1980* |
|---|---|
| Tournament | US Open |
| Category | Grand Slam |
| Surface | Hard |
| Round | R128 |
| Winner | Mary Lou Piatek |
| Score | 6-1 7-5 |
| Loser | Ann Kiyomura Hayashi |
No match stats are available for this match.
Pre-match Comparison
| Field | Mary Lou Piatek | Ann Kiyomura Hayashi |
|---|---|---|
| Country | — | — |
| Birth date | — | Aug 22, 1955 |
| Age | — | 25 |
| Height | — | — |
| Handedness | — | Right-Handed |
| Backhand style | — | — |
| Ranking (entering) | — | — |
| Ranking points (entering) | — | — |
| Elo (entering) | 1,698 | 1,780 |
| Career W-L | 153–206 | 182–200 |
| Career earnings | — | $625,453 |
No prior-path match data is available for this tournament stage.