SINGAPORE -- Thailand's Chapchai Nirat and England's
Both golfers were at 6 under when play was stopped early for the second successive day. Chapchai had nine holes left to play and Dyson had five.
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Thunderstorms on Thursday forced organizers to complete the first round on Friday morning.
Chapchai had six birdies in a 6-under 65 to surge into the lead after the first round, but Dyson caught him with four birdies at the start of the second.
Rory McIlroy shot a 1-under 70 in the first round, then had a bogey and double bogey to start the second before getting back to par with three birdies. He has six holes remaining in his round.