| Year | Tournament | Result | Player | Age | Nation |
|---|---|---|---|---|---|
| 1977 | US Open | R128 | Alvaro Betancur | 27 | Colombia |
| 1977 | Wimbledon | R128 | Alvaro Betancur | 27 | Colombia |
| 1977 | French Open | R128 | Iván Molina | 30 | Colombia |
| 1977 | French Open | R128 | Alvaro Betancur | 27 | Colombia |
| 1976 | US Open | R128 | Alvaro Betancur | 26 | Colombia |
| 1976 | US Open | R128 | Iván Molina | 30 | Colombia |
| 1976 | US Open | R128 | Maria-Isabel Fernandez | 25 | Colombia |
| 1976 | Wimbledon | R64 | Maria-Isabel Fernandez | 25 | Colombia |
| 1976 | Wimbledon | R128 | Iván Molina | 30 | Colombia |
| 1976 | French Open | R16 | Maria-Isabel Fernandez | 25 | Colombia |
| 1976 | French Open | R64 | Alvaro Betancur | 26 | Colombia |
| 1976 | French Open | R128 | Iván Molina | 29 | Colombia |
| 1975 | US Open | R64 | Alvaro Betancur | 25 | Colombia |
| 1975 | US Open | R64 | Iván Molina | 29 | Colombia |
| 1975 | US Open | R64 | Maria-Isabel Fernandez | 24 | Colombia |
| 1975 | Wimbledon | R128 | Iván Molina | 29 | Colombia |
| 1975 | French Open | R128 | Iván Molina | 28 | Colombia |
| 1974 | US Open | R64 | Maria-Isabel Fernandez | 23 | Colombia |
| 1974 | US Open | R128 | Iván Molina | 28 | Colombia |
| 1974 | Wimbledon | R32 | Maria-Isabel Fernandez | 23 | Colombia |
| 1974 | Wimbledon | R128 | Iván Molina | 28 | Colombia |
| 1974 | French Open | R128 | Iván Molina | 27 | Colombia |
| 1973 | US Open | R16 | Maria-Isabel Fernandez | 22 | Colombia |
| 1973 | US Open | R128 | Iván Molina | 27 | Colombia |
| 1973 | Wimbledon | R64 | Iván Molina | 26 | Colombia |
| 1973 | Wimbledon | R64 | Maria-Isabel Fernandez | 22 | Colombia |
| 1973 | French Open | R64 | Maria-Isabel Fernandez | 22 | Colombia |
| 1973 | French Open | R128 | Iván Molina | 26 | Colombia |
| 1972 | US Open | R64 | Maria-Isabel Fernandez | 21 | Colombia |
| 1972 | US Open | R128 | Iván Molina | 26 | Colombia |
| 1972 | Wimbledon | R64 | Iván Molina | 26 | Colombia |
| 1972 | Wimbledon | R64 | Maria-Isabel Fernandez | 21 | Colombia |
| 1972 | French Open | R64 | Maria-Isabel Fernandez | 21 | Colombia |
| 1971 | Wimbledon | R64 | Maria-Isabel Fernandez | 20 | Colombia |
| 1971 | French Open | R64 | Maria-Isabel Fernandez | 20 | Colombia |
| 1971 | French Open | R128 | William Alvarez | 34 | Colombia |
| 1971 | French Open | R128 | Iván Molina | 24 | Colombia |
| 1970 | French Open | R128 | William Alvarez | 33 | Colombia |
| 1969 | French Open | R64 | William Alvarez | 32 | Colombia |
| 1969 | French Open | R128 | Iván Molina | 22 | Colombia |
| 1968 | Wimbledon | R128 | Francisco Castillo | n/a | Colombia |
| 1968 | French Open | R32 | Paola Palacios | n/a | Colombia |
| 1968 | French Open | R128 | Alvaro Pena | n/a | Colombia |
| 1968 | French Open | R128 | William Alvarez | 31 | Colombia |
| 1968 | French Open | R128 | Iván Molina | 21 | Colombia |
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.