VALENCIA, Spain -- John Isner of the United States edged Ernests Gulbis of Latvia 7-6 (4), 7-6 (2) Wednesday at the Valencia Open.

Top-seeded David Ferrer eased into the second round by stopping Gael Monfils of France 6-3, 6-2. Monfils appeared to be in pain during the second set, but kept playing.

Philipp Kohlschreiber upset second-seeded fellow German Tommy Haas 3-6, 6-3, 6-3.

Fabio Fognini also advanced by topping Spaniard Marcel Granollers 6-3, 6-2. Jeremy Chardy beat Florian Mayer 4-6, 7-5, 6-3, and Jarkko Nieminen eased past Benoir Paire 6-3, 6-3.

Jeremy Chardy of France came from a set down to beat Florian Mayer of Germany, 4-6, 7-5, 6-3 in a late match.