Overnight leader Woods, opened the day with three successive bogeys on his way to a 75 for a tied eighth. Senden, who won his home Open in 2006, carded an eagle and seven birdies -- the last with a brilliant 30-foot putt at the 18th -- to stand on 12-under for the tournament.
Australian Greg Chalmers was third on 10-under after a 67, a shot better than compatriot Nick O’Hern (66) and American Nick Watney (68), who shared fourth.
Jeev, Chowrasia falter
Jeev Milkha Singh and SSP Chowrasia were the most notable casualties as 13 of the 16 Indian golfers in fray missed the Singapore Open cut.
Chiragh Kumar (70-68) in tied 31st and Rahil Gangjee (66-74) in tied 51st had been sure of playing the last two rounds. Himmat Rai, a borderline case overnight at two-under, sank a clutch birdie on the 18th to squeeze inside at tied 51st at three-under. His rounds were (70-69).
The two big blows for the Indians was Jeev (66-75) and SSP Chowrasia (70-73) missing the cut with a bunch of bogeys on Saturday morning. Gonzalo Fernandez-Castano lit up the Tanjong course with a 10-under 61 to open up a three-shot lead upon the completion of the second round.
