Federer returned to the tour on the grass courts of Stuttgart, Germany, and lost his first match, to the semiretired Tommy Haas. But Federer regained his form a week later in Halle, Germany, and has continued to improve throughout this tournament.
“That was the idea, that the second week of Wimbledon is that I would feel my best,” he said. “I feel like it’s coming along nicely, to be quite honest.”
The third-seeded Federer’s remaining path to the title wends through giants — in stature, if not accomplishments. He will next face the 6-foot-5 Tomas Berdych, the No. 11 seed, who advanced when second-seeded Novak Djokovic retired while trailing, 7-6 (2), 2-0, in their quarterfinal. A pair of 6-6 players — seventh-seeded Marin Cilic and 24th-seeded Sam Querrey — meet in the other semifinal Friday.
Berdych, a Wimbledon finalist in 2010 and a semifinalist last year, has not beaten Federer since…