Saturday

At Buenos Aires Lawn Tennis Club

Buenos Aires

Purse: $658,390

Surface: Red clay

BUENOS AIRES (AP) _ Results Saturday from Argentina Open at Buenos Aires Lawn Tennis Club (seedings in parentheses):

Men’s Singles

Quarterfinals

Pedro Martinez, Spain, def. Lorenzo Musetti (3), Italy, walkover.

Men’s Singles

Semifinals

Joao Fonseca, Brazil, def. Laslo Djere, Serbia, 7-6 (3), 5-7, 6-1.

Francisco Cerundolo (5), Argentina, def. Pedro Martinez, Spain, 6-2, 6-4.

Men’s Doubles

Semifinals

Guido Andreozzi, Argentina, and Theo Arribage, France, def. Alexander Erler, Austria, and Constantin Frantzen (4), Germany, 6-1, 6-4.