HALLE, Germany (AP) -- Sixth-seeded Marcel Granollers of Spain defeated Mischa Zverev of Germany 6-4, 6-2 Tuesday to reach the second round of the Gerry Weber Open.
The 26-year-old Granollers overcame resistance from the Russian-born Zverev, who is ranked 190.
Zverev held his serve and saved six break points before Granollers finally broke him in the ninth game to take a 5-4 lead to take the first set. The 22nd-ranked Spaniard broke the German twice in the second to wrap up the match.
Seventh-seeded Andreas Seppi of Italy will playing Radek Stepanek of the Czech Republic in the first round of the grass court tournament later Tuesday.
Germany's Florian Mayer beat American qualifier Tim Smyczek to advance to the second round and play against Roger Federer on Wednesday.
The same day, Rafael Nadal will open against Lukas Lacko of Slovakia, who beat Konstantin Kravchuk of Russia 2-6, 6-2, 6-3 in the first round.
Nadal won a record seventh French Open championship on Monday after defeating top-ranked Novak Djokovic at Rolland Garros.