The German now owns the WTA record for aces served in a single match.
Former champion Hewitt given opportunity to play his last Wimbledon.
Watch the fifth seed curl a full-stretch forehand winner down the line at Queen's Club.
Who hit the more sublime one-hander on Tuesday? You be the judge.
"[Sock] certainly has the tools [to be one of the best]," says former world No. 1, who will partner Mardy Fish in the doubles draw of the Atlanta Open next month.
Roger Federer struggled with slippery grass on Monday in Halle, but he was in complete balance on this behind-the-back beauty.
The Tower of Tandil will undergo a third surgery to his left wrist next Thursday in the U.S.