English golfer Simon Dyson, who was handed a suspended two-month ban for cheating in December, fired a five-under-par 67 to grab a share of the first round lead at the European Tour's China Open.
The Englishman fired six birdies and a lone bogey in his round in Shenzhen to end the day tied with big-hitting Spaniard Alvaro Quiros at the top of a congested leaderboard.
The 36-year-old has enjoyed previous success in China, winning the event in 2000 as well as the Hong Kong and Macau Opens.
But it was in Shanghai in October where he was disqualified from the BMW Masters and hit with a fine for fixing a spike mark on the line of a putt that led to his suspended ban.
Quiros won the last of his six European Tour titles in 2011 and his world ranking has since slumped to 240 but the Spaniard showed that his game was heading in the right direction.
Defending champion Brett Rumford of Australia made a strong start in his bid to become the first man to successfully defend the title after a 68 left him in a group of six players tied for third.
Play was suspended due to darkness with five players yet to complete their opening rounds.