Australian golfer Robert Allenby says he has "no idea" about being arrested for disorderly conduct and trespass outside an Illinois casino.

This is despite the Rock Island Police Department confirming they arrested the controversy-prone Allenby in the early hours of Saturday morning.

"Robert Allenby was arrested for disorderly conduct and criminal trespass from Jumer's Casino on August 13th at about 2.29am," a Rock Island County Police Department spokesperson told AAP.

"He was transported to Rock Island County Jail and we do believe he has bonded out."


Allenby, who last year claimed he was robbed, kidnapped and beaten in Hawaii, was playing in the John Deere Classic in Illinois but missed the cut on Friday.

When contacted by USA Today Sports on Sunday, Allenby told the newspaper: "I don't know anything that's going on, so you can say whatever you want".

Allenby said he had been staying at the casino and after missing the cut by three strokes had dinner and played blackjack with other golfers and caddies at the casino tables, USA Today reported.

"There's nothing to be said or done about," Allenby said."Nothing happened."

When asked about the charges, Allenby replied: "I have no idea, mate. No idea".

A Rock Island County Jail spokesman told AAP Allenby spent less than an hour in custody in the early hours of Saturday morning before making $US1500 bond.

"He has been released," the spokesman said."He posted bond."The jail spokesman told Allenby was charged with disorderly conduct and criminal trespass and was brought to the jail at 4am on Saturday and released before 5am.

Allenby needed to come up with just 10 per cent of the bond - $US150 - to make bail, the spokesman said.

"He must have had the money on him," the spokesman said.

Allenby missed the cut at the tournament after finishing even with rounds of 70 and 72.