Korea's Todd Baek (65-74) and England's Stephen Lewton (70-69) shared the clubhouse lead of 5-under at the Haikou Championship on Friday when play was suspended at 7:07 pm due to darkness.

Singapore's Quincy Quek (73-67) was one behind and held the third-best 36-hole score on Friday, when 91 players had yet to finish their second round.

American Charlie Saxon, Thursday's clubhouse leader with an opening 6-under 66 before play was suspended soon after midday, played just one hole of his postponed second round on Friday evening and remained 6-under.

Japanese teenager Yuwa Kosaihira, who shot 67 on Thursday, joined Saxon on 6-under after a birdie on his only hole on Friday, after starting on the 440-yard, par-4 10th.

American Trevor Sluman was 5-under after an opening 67, having resumed his first round on No 18 on Friday morning and carded a bogey. He will tee off his second round at 8:00 am on Saturday, when the third round is scheduled to start at 2:30 pm.

Baek, 26, played 35 holes on Friday. He led after an opening 7-under 65, bagging eight birdies in his last 17 holes following a bogey on his solitary hole on Thursday. Played in searing heat, his second round featured three birdies, three bogeys and a double bogey.