Paolo M. Hernandez of Indonesia beat team-mate Islam in the opening match, 235-225 to take an early lead as Team gold medallist, Lee Ju Hung of Korea and sole Australian finalist, Blayne Fletcher both won their first match with 229 to share second spot.
Lee won his second match to move into the lead while Islam, who also won his second match, took up second spot. A second Korean, Park Geon Ha moved up to third with Fletcher and Paolo slipping down to third and fourth positions.
A second win by Islam with 241 in the third match propelled him into the lead. Lee suffered a lowly 177 to drop down to third but his compatriot, Park won with 216 to take over second spot. Paolo and Fletcher remained in fourth and fifth.
The Indonesian leader was on a hot streak winning his next four matches with 242, 231, 214 and 204 to build up a massive 106-pin lead after seven matches. Lee recovered to trail in second most of the way while others were battling over third, fourth and fifth spots.
Despite not winning the eighth match and suffering a low 163, Islam ended the first block in the lead with 1824 from six wins, still with a comfortable margin of 79 pins. Lee settled for second with 1745 from five wins while Fletcher finished strongly to clinch third position with 1734.