| Year | Tournament | Result | Player | Age | Nation |
|---|---|---|---|---|---|
| 1989 | Wimbledon | R128 | Kimiko Date | 18 | Japan |
| 1989 | French Open | R32 | Akiko Kijimuta | 21 | Japan |
| 1989 | French Open | R64 | Kimiko Date | 18 | Japan |
| 1989 | French Open | R128 | Kumiko Okamoto | 24 | Japan |
| 1989 | French Open | R128 | Akemi Nishiya | 24 | Japan |
| 1989 | Australian Open | R64 | Shuzo Matsuoka | 21 | Japan |
| 1989 | Australian Open | R64 | Akemi Nishiya | 23 | Japan |
| 1989 | Australian Open | R64 | Yukie Koizumi | 30 | Japan |
| 1989 | Australian Open | R128 | Masako Yanagi | 29 | Japan |
| 1989 | Australian Open | R128 | Tamaka Takagi | 23 | Japan |
| 1989 | Australian Open | R128 | Etsuko Inoue | 24 | Japan |
| 1988 | US Open | R64 | Shuzo Matsuoka | 20 | Japan |
| 1988 | US Open | R128 | Etsuko Inoue | 23 | Japan |
| 1988 | US Open | R128 | Masako Yanagi | 28 | Japan |
| 1988 | US Open | R128 | Kumiko Okamoto | 23 | Japan |
| 1988 | US Open | R128 | Akiko Kijimuta | 20 | Japan |
| 1988 | Wimbledon | R32 | Akiko Kijimuta | 20 | Japan |
| 1988 | Wimbledon | R32 | Etsuko Inoue | 23 | Japan |
| 1988 | Wimbledon | R64 | Kumiko Okamoto | 23 | Japan |
| 1988 | Wimbledon | R64 | Masako Yanagi | 28 | Japan |
| 1988 | French Open | R32 | Masako Yanagi | 28 | Japan |
| 1988 | French Open | R128 | Kumiko Okamoto | 23 | Japan |
| 1988 | French Open | R128 | Akiko Kijimuta | 20 | Japan |
| 1988 | Australian Open | R32 | Etsuko Inoue | 23 | Japan |
| 1988 | Australian Open | R32 | Akiko Kijimuta | 19 | Japan |
| 1988 | Australian Open | R32 | Emiko Okagawa | 23 | Japan |
| 1988 | Australian Open | R64 | Ei Iida | 20 | Japan |
| 1988 | Australian Open | R64 | Akemi Nishiya | 22 | Japan |
| 1988 | Australian Open | R128 | Shuzo Matsuoka | 20 | Japan |
| 1988 | Australian Open | R128 | Kumiko Okamoto | 22 | Japan |
| 1988 | Australian Open | R128 | Ei Iida | 20 | Japan |
| 1988 | Australian Open | R128 | Masako Yanagi | 28 | Japan |
| 1988 | Australian Open | R128 | Yukie Koizumi | 29 | Japan |
| 1987 | US Open | R32 | Akiko Kijimuta | 19 | Japan |
| 1987 | US Open | R128 | Etsuko Inoue | 22 | Japan |
| 1987 | US Open | R128 | Kumiko Okamoto | 22 | Japan |
| 1987 | Wimbledon | R32 | Kumiko Okamoto | 22 | Japan |
| 1987 | Wimbledon | R64 | Etsuko Inoue | 22 | Japan |
| 1987 | Wimbledon | R64 | Akiko Kijimuta | 19 | Japan |
| 1987 | French Open | R128 | Akiko Kijimuta | 19 | Japan |
| 1987 | French Open | R128 | Kumiko Okamoto | 22 | Japan |
| 1987 | French Open | R128 | Emiko Okagawa | 22 | Japan |
| 1987 | Australian Open | R32 | Akiko Kijimuta | 18 | Japan |
| 1987 | Australian Open | R64 | Etsuko Inoue | 22 | Japan |
| 1987 | Australian Open | R64 | Yukie Koizumi | 28 | Japan |
| 1987 | Australian Open | R128 | Kumiko Okamoto | 21 | Japan |
| 1987 | Australian Open | R128 | Emiko Okagawa | 22 | Japan |
| 1987 | Australian Open | R128 | Masako Yanagi | 27 | Japan |
| 1986 | US Open | R128 | Masako Yanagi | 26 | Japan |
| 1986 | US Open | R128 | Etsuko Inoue | 21 | Japan |
Open Era Grand Slam Tennis
This site is dedicated to Grand Slam tennis stats from the Open Era – for those of us who love the numbers behind the game. Pick any group of players and see how they rank. Compare, filter, and view the same data from different angles – whether you want to explore dominance, consistency, or longevity. In short: It’s all about turning tennis history into insights you can actually play with.