LONDON — Roger Federer’s nearly perfect serving carried him back to the Wimbledon quarterfinals.
He’ll try to continue his bid for a record eighth championship at the All England Club by beating his friend and countryman Stan Wawrinka on Wednesday.
Federer won all 54 service games through his first four matches in the tournament, saving eight break points.
That included saving the only break point he faced in a 6-1, 6-4, 6-4 victory over No. 23 Tommy Robredo in the…