Haas stuns Simon in Hamburg
Tommy Haas sent reigning champion Gilles Simon crashing out in the second round of the German Tennis Championships in Hamburg.
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Wild card Haas, 34, is still recovering form after a long battle against injury but showed flashes of his best as he ousted the second seed and world number 12 4-6 6-3 6-4 in two hours and six minutes.
Haas took five of his seven break-point chances as he triumphed for the third time in four meetings against Frenchman Simon, and will now face fellow German Florian Mayer in the quarter-finals.
Mayer, the seventh seed, brushed aside Robin Haase 6-2 6-1 in 56 minutes to progress.
Fourth-seeded Marin Cilic was a 6-3 6-2 winner against qualifier Federico Delbonis and the Croatian will now face Spain's Albert Ramos, who saw off Rafael Nadal's Wimbledon conqueror Lukas Rosol 7-6 (10/8) 4-6 6-3.