Veteran Tommy Haas stuns top speed Roger Federer in Mercedes Cup

Roger Federer squandered a match point as he was shocked by German veteran Tommy Haas in the second round of the Mercedes Cup in Stuttgart.

The 39-year-old Haas, who is playing his final season on the tour after a series of injury problems, battled to a 2-6 7-6 (8/6) 6-4 win in just under two hours.