Hamburg - Second-seeded Jurgen Melzer of Austria advanced to the quarter-finals of the German Open on Thursday by beating 15th-seeded Fabio Fognini of Italy 6-2, 6-3.
Melzer, who was runner-up in Hamburg last year, never faced a break point.
The Austrian will next face eighth-seeded Fernando Verdasco of Spain, who beat German wild card Cedrik-Marcel Stebe 7-5, 6-2.
Top-seeded Gael Monfils of France beat Radek Stepanek of the Czech Republic 6-4, 6-4 to also advance to the quarters.
Monfils fell behind 2-0 to start the match but rallied to win four straight games. Monfils broke Stepanek's serve three times to set up a quarter-final showdown with fellow Frenchman and fifth-seeded Gilles Simon.
Simon outlasted Jarkko Nieminen of Finland 7-6 (4), 3-6, 6-4 to reach the quarters in Hamburg for the first time in six attempts.
Third-seeded Nicolas Almagro of Spain beat Philipp Kohlschreiber 6-3, 7-5 and will next meet another German, sixth-seeded Florian Mayer, who beat Juan Monaco of Argentina 7-5, 7-5.
Fourth-seeded Mikhail Youzhny of Russia beat German wild card Julian Reister 6-3, 6-3 and will next face No 12 Marin Cilic of Croatia. Cilic rallied to beat wild card Tobias Kamke of Germany 3-6, 6-3, 6-2.
Results from the fourth day of the ATP event on Thursday (x denotes seeding):
Gael Monfils (FRA x1) bt Radek Stepanek (CZE) 6-4, 6-4
Gilles Simon (FRA x5) bt Jarkko Nieminen (FIN) 7-6 (7/4), 3-6, 6-4
Mikhail Youzhny (RUS x4) bt Julian Reister (GER) 6-3, 6-3
Marin Cilic (CRO x12) bt Tobias Kamke (GER) 3-6, 6-3, 6-2
Florian Mayer (GER x6) bt Juan Monaco (ARG) 7-5, 7-5
Nicolas Almagro (ESP x3) bt Philipp Kohlschreiber (GER) 6-3, 7-5
Fernando Verdasco (ESP x8) bt Cedrik-Marcel Stebe (GER) 7-5, 6-2
Jurgen Melzer (AUT x2) bt Fabio Fognini (ITA x15) 6-2, 6-3