| Year | Tournament | Result | Player | Age | Nation |
|---|---|---|---|---|---|
| 1975 | French Open | R64 | Jun Kamiwazumi | 27 | Japan |
| 1975 | French Open | R128 | Jun Kuki | 29 | Japan |
| 1975 | Australian Open | Q | Kazuko Sawamatsu | 23 | Japan |
| 1975 | Australian Open | R32 | Kiyoko Nomura | 20 | Japan |
| 1975 | Australian Open | R64 | Sachio Kato | n/a | Japan |
| 1975 | Australian Open | R64 | Jun Kuki | 28 | Japan |
| 1975 | Australian Open | R64 | Kiyoshi Tanabe | 26 | Japan |
| 1975 | Australian Open | R64 | Kenichi Hirai | 24 | Japan |
| 1975 | Australian Open | R64 | Toshiro Sakai | 27 | Japan |
| 1974 | US Open | R64 | Kazuko Sawamatsu | 23 | Japan |
| 1974 | US Open | R128 | Jun Kamiwazumi | 26 | Japan |
| 1974 | US Open | R128 | Jun Kuki | 28 | Japan |
| 1974 | Wimbledon | R32 | Kazuko Sawamatsu | 23 | Japan |
| 1974 | Wimbledon | R128 | Toshiro Sakai | 26 | Japan |
| 1974 | French Open | R32 | Toshiro Sakai | 26 | Japan |
| 1974 | French Open | R64 | Jun Kamiwazumi | 26 | Japan |
| 1974 | French Open | R64 | Jun Kuki | 28 | Japan |
| 1974 | French Open | R64 | Kazuko Sawamatsu | 23 | Japan |
| 1974 | French Open | R64 | Kayoko Fukuoka | 24 | Japan |
| 1974 | Australian Open | R16 | Kazuko Sawamatsu | 22 | Japan |
| 1974 | Australian Open | R32 | Kiyoshi Tanabe | 25 | Japan |
| 1974 | Australian Open | R32 | Masako Yokobori | n/a | Japan |
| 1974 | Australian Open | R32 | Toshiko Sade | 26 | Japan |
| 1974 | Australian Open | R64 | Kenichi Hirai | 23 | Japan |
| 1974 | Australian Open | R64 | Kiyoko Nomura | 19 | Japan |
| 1973 | US Open | R32 | Jun Kamiwazumi | 25 | Japan |
| 1973 | US Open | R32 | Kazuko Sawamatsu | 22 | Japan |
| 1973 | Wimbledon | R32 | Toshiro Sakai | 25 | Japan |
| 1973 | Wimbledon | R64 | Jun Kuki | 27 | Japan |
| 1973 | Wimbledon | R64 | Kazuko Sawamatsu | 22 | Japan |
| 1973 | Wimbledon | R128 | Jun Kamiwazumi | 25 | Japan |
| 1973 | Wimbledon | R128 | Kiyoshi Tanabe | 25 | Japan |
| 1973 | Wimbledon | R128 | Kenichi Hirai | 23 | Japan |
| 1973 | Wimbledon | R128 | Hideko Goto | 24 | Japan |
| 1973 | French Open | R32 | Kazuko Sawamatsu | 22 | Japan |
| 1973 | French Open | R32 | Hideko Goto | 24 | Japan |
| 1973 | French Open | R64 | Jun Kamiwazumi | 25 | Japan |
| 1973 | French Open | R128 | Jun Kuki | 27 | Japan |
| 1973 | French Open | R128 | Toshiro Sakai | 25 | Japan |
| 1973 | Australian Open | S | Kazuko Sawamatsu | 21 | Japan |
| 1973 | Australian Open | R64 | Jun Kuki | 27 | Japan |
| 1973 | Australian Open | R64 | Jun Kamiwazumi | 25 | Japan |
| 1973 | Australian Open | R64 | Kiyoko Nomura | 18 | Japan |
| 1972 | US Open | R32 | Kazuko Sawamatsu | 21 | Japan |
| 1972 | US Open | R64 | Toshiro Sakai | 24 | Japan |
| 1972 | US Open | R128 | Jun Kuki | 26 | Japan |
| 1972 | US Open | R128 | Jun Kamiwazumi | 24 | Japan |
| 1972 | Wimbledon | R64 | Jun Kamiwazumi | 24 | Japan |
| 1972 | Wimbledon | R64 | Toshiro Sakai | 24 | Japan |
| 1972 | Wimbledon | R64 | Kazuko Sawamatsu | 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.