The Australian, however, finally began to get the upper hand as the set progressed and Ferreira missed two easy forehand volleys in the 10th game to lose his serve.

BBC: Ferreira stuns Hewitt

"Whether Bill Self wanted a timeout or maybe he wanted his guys to get the ball and go before the defense could set up, either way the integrity of the game was compromised just so we could fix 0.2 seconds on the clock, " Kerr said.

WSJ: Officials facing dilemma with video review