The 4th round of the Wimbledon Championship was a shock defeat for 2-time champion Rafael Nadal.
31-year-old Nadal tried to stage a comeback and leveled the match at 2-sets-apiece after losing the first 2 sets 6-3, 6-4.
However, he buckled under persistent pressure exerted by an inform Muller, who took the 135-minute 5th set 15-13. Muller will now play Marin Cilic in the quarter-finals.