Match log updated: 2026-08-25 14:24 UTC
Guillermo Rivas — ATP Match Log
14 main-draw matches · 6–8 · 42.9% wins
| Opponent | Score | Result | H2H | Match Data | Date ↑ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| 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 |
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.