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I am not sure what was more memorable: the on-the-court controversy (that caused Nalbandian to lose his focus and ultimately the match), the off-the-court controversy (which was just bizarre), or Nalbandian's colorful attire.
At 8-8 in his second round match with the big American, the veteran Nalbandian was denied the chance to challenge an Isner ace on break point at eight-all in the deciding fifth set.
According to Nalbandian, he was unaware that the serve had been overruled by chair umpire Kader Nouni and thus didn't challenge the call immediately. After approaching the chair, Nouni informed Nalbandian that he could no longer challenge the ruling as his time limit had expired.
In fairness to Nalbandian, Nouni botched the whole situation and cast a negative pall over what was a fantastic match and likely could have affected the outcome, something no umpire or official should ever do.
Afterwards, in what was definitely an odd, head-scratching press release, the ATP Tour claims Nalbandian took his frustrations out on a doping control agent by splashing him with water.
Nalbandian took to twitter and emphatically denied the accusation but was still fined $8,000 by the tour.
Incident aside, I still vote his canvas of color shirt as the most memorable part of Nalbandian's short stay in the draw.