Thailand's Chapchai Nirat shot a 6-under 65 on Friday to take a one-stroke lead after the completion of the first round in the rain-delayed Singapore Open.
Nirat played the final 13 holes Friday morning after play was suspended Thursday afternoon because of rain and the threat of lightning.
Denmark's Thomas Bjorn was second. He finished the round Thursday.
England's Simon Khan, Thailand's Chinnarat Phadungsil and Spain's Pablo Martin were tied for third at 67 in the event sanctioned by the European and Asian tours.
Top-ranked Rory McIlroy finished off a 70. Three-time champion Adam Scott shot a 71, and Phil Mickelson opened with a 73, and John Daly had a 78.