HALLE, Germany (AP) Roger Federer closed in on a ninth title at the Gerry Weber Open, beating David Goffin 6-1, 7-6 (10) Friday in the quarterfinals.

The top-seeded Federer didn't drop a point off his first serve in the first set, and saved five set points in the second-set tiebreaker.

Federer will play Alexander Zverev in the semifinals. The German beat Marcos Baghdatis of Cyprus 7-6 (9), 6-3.

Third-seeded Dominic Thiem of Austria will play Florian Meyer of Germany in the other semifinal. Thiem advanced on a walkover against eighth-seeded Philipp Kohlschreiber, who withdrew before the match with a hip injury.

Mayer beat Andreas Seppi of Italy 7-6 (4), 6-3.