Match log updated: 2026-08-25 14:24 UTC
Guillermo Rivas — ATP Match Log
Main draw matches: 37 | W: 10 | L: 27 | Win %: 27.0%
| Opponent | Score | Result | H2H | Match Data | Date ↑ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Pedro Rebolledo | 4-6 1-6 | L | H2H | Match data | Aug 1, 1984* | R64 | North Conway | ATP 250 | Clay |
| Eylon Sinai | 6-4 6-7 6-3 | W | H2H | Match data | Sep 13, 1984* | R32 | Tel Aviv | ATP 250 | Hard |
| Amos Mansdorf | 6-1 4-6 2-6 | L | H2H | Match data | Sep 14, 1984* | R16 | Tel Aviv | ATP 250 | Hard |
| Alberto Tous | 6-7 6-7 | L | H2H | Match data | Sep 20, 1984* | R32 | Geneva Open | ATP 250 | Clay |
| Christian Miniussi | 6-4 3-6 5-7 | L | H2H | Match data | Oct 3, 1984* | R64 | Barcelona Open | ATP 250 | Clay |
| Christian Miniussi | 2-6 6-4 4-6 | L | H2H | Match data | Feb 28, 1985* | R32 | Argentina Open | ATP 250 | Clay |
| Bruce Derlin | 1-6 1-6 | L | H2H | Match data | Mar 21, 1985* | R32 | Nancy | ATP 250 | Hard |
| Matt Mitchell | 7-5 6-4 | W | H2H | Match data | May 8, 1985* | R64 | Forest Hills | ATP 250 | Clay |
| Tim Wilkison | 3-6 6-3 7-6 | W | H2H | Match data | May 9, 1985* | R32 | Forest Hills | ATP 250 | Clay |
| Lawson Duncan | 3-6 4-6 | L | H2H | Match data | May 10, 1985* | R16 | Forest Hills | ATP 250 | Clay |
| Aaron Krickstein | 2-6 7-5 3-6 | L | H2H | Match data | May 23, 1985* | R32 | Florence | ATP 250 | Clay |
| Paul Mcnamee | 4-6 1-6 | L | H2H | Match data | Jul 10, 1985* | R64 | U.S. Pro Tennis Championships | ATP 250 | Clay |
| Alessandro De Minicis | 1-6 6-7 | L | — | Match data | Jul 18, 1985* | R32 | Swedish Open | ATP 250 | Clay |
| Givaldo Barbosa | 4-6 4-6 | L | H2H | Match data | Jul 25, 1985* | R32 | Dutch Open | ATP 250 | Clay |
| Claudio Mezzadri | 6-4 2-6 6-4 | W | H2H | Match data | Aug 7, 1985* | R64 | Austrian Open Kitzbühel | ATP 250 | Clay |
| Andreas Maurer | 1-6 0-6 | L | H2H | Match data | Aug 8, 1985* | R32 | Austrian Open Kitzbühel | ATP 250 | Clay |
| Francisco Maciel | 6-4 4-6 3-6 | L | H2H | Match data | Jun 12, 1986* | R32 | Bologna | ATP 250 | Clay |
| Francisco Maciel | 1-6 2-6 | L | H2H | Match data | Jun 19, 1986* | R32 | Athens | ATP 250 | Clay |
| Horst Skoff | 1-6 6-7 | L | H2H | Match data | Nov 13, 1986* | R32 | Argentina Open | ATP 250 | Clay |
| Yannick Noah | 7-6 5-7 3-6 | L | H2H | Match data | Jul 28, 1988* | R32 | Bordeaux | ATP 250 | Clay |
| Diego Perez | 6-0 2-6 3-6 | L | H2H | Match data | Nov 3, 1988* | R32 | Sao Paulo | ATP 250 | Hard |
| Eduardo Bengoechea | 1-6 4-6 | L | H2H | Match data | Nov 10, 1988* | R32 | Argentina Open | ATP 250 | Clay |
| Danilo Marcelino | 3-6 7-6 6-4 | W | H2H | Match data | Apr 13, 1989* | R32 | Rio de Janeiro | ATP 250 | Carpet |
| Marcelo Hennemann | 6-3 6-4 | W | H2H | Match data | Apr 14, 1989* | R16 | Rio de Janeiro | ATP 250 | Carpet |
| Martin Jaite | 1-6 3-6 | L | H2H | Match data | Apr 15, 1989* | QF | Rio de Janeiro | ATP 250 | Carpet |
| Craig Campbell | 6-2 6-0 | W | H2H | Match data | May 3, 1989* | R64 | Forest Hills | ATP 250 | Clay |
| Luiz Mattar | 2-6 6-0 5-7 | L | H2H | Match data | May 4, 1989* | R32 | Forest Hills | ATP 250 | Clay |
| Johan Kriek | 3-6 5-7 | L | H2H | Match data | May 11, 1989* | R32 | Charleston | ATP 250 | Clay |
| John Ross | 6-4 6-2 | W | — | Match data | Jul 12, 1989* | R64 | U.S. Pro Tennis Championships | ATP 250 | Clay |
| Broderick Dyke | 5-7 3-6 | L | H2H | Match data | Jul 13, 1989* | R32 | U.S. Pro Tennis Championships | ATP 250 | Clay |
| Nicklas Kulti | 3-6 7-6 2-6 | L | H2H | Match data | Aug 3, 1989* | R32 | Swedish Open | ATP 250 | Clay |
| Peter Hajek | 6-4 7-6 | W | H2H | Match data | Aug 10, 1989* | R32 | Prague | ATP 250 | Clay |
| Marcelo Filippini | 1-6 1-6 | L | H2H | Match data | Aug 11, 1989* | R16 | Prague | ATP 250 | Clay |
| Cyril Suk | 6-3 7-6 | W | H2H | Match data | Aug 17, 1989* | R32 | St. Vincent | ATP 250 | Clay |
| Gustavo Giussani | 1-6 1-6 | L | — | Match data | Aug 18, 1989* | R16 | St. Vincent | ATP 250 | Clay |
| Cristiano Caratti | 6-7 4-6 | L | H2H | Match data | Aug 24, 1989* | R32 | San Marino | ATP 250 | Clay |
| Horacio de la Pena | 2-6 3-6 | L | H2H | Match data | Feb 8, 1990* | R32 | Guaruja | ATP World Series → modern equivalent ATP 250 | Hard |
Estimated from the tournament schedule where an exact match date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.