Boris Becker's bankruptcy restrictions extended to 2031

Boris Becker has raised more than £600,000 by selling his own memorabilia in an auction. Photo by Frank Molter/picture alliance via Getty Images

German tennis great Boris Becker has had his bankruptcy restrictions extended to 2031, after an investigation found assets and undisclosed transactions valued at more than £4.5 million ($5.80 million).

Becker, who won six Grand Slam singles titles in his career including three at Wimbledon, was made bankrupt on June 21, 2017 in the London High Court.

Under the terms of the bankruptcy order, the 51-year-old was bound to provide full disclosure of assets to the trustee and inform any lenders of his situation when seeking to borrow more than £500.

Becker's bankruptcy is a 12-year extension, as restrictions are usually lifted after one year.

"Owing to the nature of Boris Becker's actions, the Official Receiver pursued extended restrictions to prevent Mr Becker causing further harm to his creditors," Britain's Insolvency Service said in a statement on Tuesday.

"Mr Becker offered a Bankruptcy Restrictions Undertaking, which was accepted on Oct. 17, 2019 and lasts until Oct. 16, 2031."

It said the transactions investigated by the receiver occurred before and after the bankruptcy proceedings.

An online auction of Becker's trophies and memorabilia in July raised more than £680,000, with his 1989 U.S. Open trophy attracting the highest bid of £150,250.

The auction had been due in 2018 but was delayed after Becker claimed diplomatic immunity from bankruptcy proceedings by taking up a role with Central African Republic as a sports envoy.