| Year | Tournament | Result | Player | Age | Nation |
|---|---|---|---|---|---|
| 1978 | US Open | R128 | Bob Hewitt | 38 | South Africa |
| 1978 | US Open | R128 | Marise Kruger | 20 | South Africa |
| 1978 | US Open | R128 | Tanya Harford | 19 | South Africa |
| 1978 | Wimbledon | Q | Marise Kruger | 19 | South Africa |
| 1978 | Wimbledon | R32 | Bob Hewitt | 38 | South Africa |
| 1978 | Wimbledon | R32 | Frew McMillan | 36 | South Africa |
| 1978 | Wimbledon | R32 | Brigitte Cuypers | 22 | South Africa |
| 1978 | Wimbledon | R32 | Ilana Kloss | 22 | South Africa |
| 1978 | Wimbledon | R32 | Yvonne Vermaak | 21 | South Africa |
| 1978 | Wimbledon | R64 | Bernard Mitton | 23 | South Africa |
| 1978 | Wimbledon | R64 | David Schneider | 23 | South Africa |
| 1978 | Wimbledon | R64 | Johan Kriek | 20 | South Africa |
| 1978 | Wimbledon | R64 | Tanya Harford | 19 | South Africa |
| 1978 | Wimbledon | R128 | Ray Moore | 31 | South Africa |
| 1978 | Wimbledon | R128 | John Yuill | 29 | South Africa |
| 1978 | French Open | R128 | Byron Bertram | 25 | South Africa |
| 1978 | French Open | R128 | Bob Hewitt | 38 | South Africa |
| 1978 | French Open | R128 | John Yuill | 29 | South Africa |
| 1978 | French Open | R128 | Bernard Mitton | 23 | South Africa |
| 1977 | Australian Open (Jan) | R64 | Bob Hewitt | 37 | South Africa |
| 1977 | US Open | Q | Ray Moore | 31 | South Africa |
| 1977 | US Open | R16 | Marise Kruger | 19 | South Africa |
| 1977 | US Open | R32 | John Yuill | 28 | South Africa |
| 1977 | US Open | R32 | Brigitte Cuypers | 21 | South Africa |
| 1977 | US Open | R32 | Tanya Harford | 18 | South Africa |
| 1977 | US Open | R64 | Willem Prinsloo | 23 | South Africa |
| 1977 | US Open | R64 | Greer Stevens | 20 | South Africa |
| 1977 | US Open | R64 | Ilana Kloss | 21 | South Africa |
| 1977 | US Open | R128 | Bernard Mitton | 22 | South Africa |
| 1977 | US Open | R128 | David Schneider | 22 | South Africa |
| 1977 | US Open | R128 | Cliff Drysdale | 36 | South Africa |
| 1977 | US Open | R128 | Frew McMillan | 35 | South Africa |
| 1977 | US Open | R128 | Bob Hewitt | 37 | South Africa |
| 1977 | US Open | R128 | Deon Joubert | 19 | South Africa |
| 1977 | US Open | R128 | Linky Boshoff | 20 | South Africa |
| 1977 | US Open | R128 | Yvonne Vermaak | 20 | South Africa |
| 1977 | Wimbledon | Q | Byron Bertram | 24 | South Africa |
| 1977 | Wimbledon | R16 | Linky Boshoff | 20 | South Africa |
| 1977 | Wimbledon | R16 | Marise Kruger | 18 | South Africa |
| 1977 | Wimbledon | R16 | Greer Stevens | 20 | South Africa |
| 1977 | Wimbledon | R32 | Ray Moore | 30 | South Africa |
| 1977 | Wimbledon | R32 | Cliff Drysdale | 36 | South Africa |
| 1977 | Wimbledon | R32 | Yvonne Vermaak | 20 | South Africa |
| 1977 | Wimbledon | R32 | Alison McMillan | n/a | South Africa |
| 1977 | Wimbledon | R64 | Frew McMillan | 35 | South Africa |
| 1977 | Wimbledon | R64 | John Yuill | 28 | South Africa |
| 1977 | Wimbledon | R64 | Ilana Kloss | 21 | South Africa |
| 1977 | Wimbledon | R64 | Brigitte Cuypers | 21 | South Africa |
| 1977 | Wimbledon | R128 | Bernard Mitton | 22 | South Africa |
| 1977 | Wimbledon | R128 | David Schneider | 22 | South Africa |
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.