Lleyton Hewitt directed another angry outburst at Australian tennis officials as the men's season began in Adelaide.
The world number three repeated his recent attack on the pace of the courts at the forthcoming Australian Open.
"I'm baffled by the whole thing, I really am," said Hewitt. "And I've had a gutful of it to tell you the truth."
Hewitt lost a doubles match at the Australian Hardcourt Championships on Monday, but opens his singles campaign against Arnaud Clement on Tuesday.
After teaming up with coach Roger Rasheed to lose 7-6 (7-3) 6-7 (5-7) 6-2 to Jordan Kerr and Jim Thomas, Hewitt turned his attention to the Rebound Ace surface in Melbourne.
"McNamee's not going to change his mind," he said of the Australian Open tournament director Paul McNamee.
"It doesn't worry me. At the end of the day I've got to go out there and try to win the Australian Open and I plan to try to do that on whatever I've got to play on."
In the opening day's singles matches, third seed Nicolas Kiefer of Germany beat Dutchman Sjeng Schalken 6-2 4-6 6-3 in a match twice interrupted by rain.
Seventh seed Florian Mayer, eighth seed Jurgen Melzer and Thomas Enqvist were other first-round winners.