VIENNA, Austria (AP) _ Olympic champion Nicolas Massu defeated Karol Kucera 6-4, 6-7 (5), 6-4 at the CA Trophy tournament on Tuesday.

In the final set, the second-seeded Massu broke Kucera's serve at 2-all and then closed out the match.

Massu won the Olympic gold medal in singles and doubles at the Athens Games. The Chilean advanced to a match against South African qualifier Rik de Voest.

Top-seeded David Nalbandian of Argentina won 6-4, 6-3 over Italian qualifier Andreas Seppi, and will next play Austrian Stefan Koubek _ who defeated Spaniard Alberto Martin 7-5, 6-1.

In other matches, Tommy Haas of Germany defeated Wesley Moodie of South Africa 6-3, 6-0 and Luis Horna of Peru cruised past David Ferrer of Spain 6-3, 6-2. Italian David Sanguinetti defeated Argentina's Mariano Zabaleta 7-6 (7), 7-5.