ACAPULCO, Mexico (AP) — Third-seeded John Isner became the first upset of the Mexican Open, losing 7-6 (4) 7-6 (5) to Croatia's Ivo Karlovic in the first round Tuesday.
Karlovic served 15 aces and Isner fired eight in a matchup between two of the game's biggest servers that was decided by a record-equaling eight consecutive tie-breaks..
MARSEILLE, France (AP) — Third-seeded Ernests Gulbis of Latvia beat defending champion Jo-Wilfried Tsonga of France 7-6 (5), 6-4 to win his fifth career title and maintain his perfect record in finals.
RIO DE JANEIRO (AP) — Fourth-seeded Tommy Robredo of Spain reached the quarterfinals of the Rio Open on Wednesday, defeating Dusan Lajovic of Serbia 6-2, 6-1 at the outdoor clay tournament.
Robredo has won 12 ATP titles, 11 on clay.
MARSEILLE, France (AP) — Defending champion Jo-Wilfried Tsonga of France beat Nikolay Davydenko 7-6 (4), 7-6 (8) on Wednesday to reach the Open 13 quarterfinals.
The second-seeded Tsonga, who had 19 aces, improved to 4-2 in career head-to-heads against the Russian who reached a career-high ranking of third.
LONDON (AP) — Former No. 1 Pete Sampras says Roger Federer could play for another "two, three, four more years" and add to his tally of 17 Grand Slam titles.
Speaking ahead of an exhibition match against Andre Agassi in London on March 3, Sampras said on a conference call that he is "amazed" by Federer's longevity.