71.   He also became upset when the chair umpire overruled a linesman and instructed the two to replay a point that would have set up a break point.

72.   He approached chair umpire John Frame, who refused to overrule.

73.   He also lost his cool, hitting a couple of balls into the rafters in frustration and drawing a warning from chair umpire Mohammed Lahyany.

74.   He said the chair umpire should impose the rules in a reasonable manner and not take a hard line for what are obvious mistakes.

75.   He threw his racket at the chair umpire, hitting a fan in the stands, but apparently not causing injury.

76.   He lost the final point on a return that he thought was in, causing him to slam his racket to the floor and protest to the chair umpire.

77.   He was cited for ball abuse by chair umpire Dana Laconto.

78.   He picked it up, then smashed it when he arrived at his seat for the changeover, drawing a racket abuse code violation call from the chair umpire.

79.   Huber declined to shake the hand of Italian chair umpire Romano Grillotti and hurried off.

80.   In a light-hearted moment, Martin had pointed out the gesture to the chair umpire.