By Wally Pyrah IT IS difficult to oppose the Mark Newnham-trained SING DRAGON, who seeks to successfully follow up last month’s impressive course and distance win in the Yau Kom Tau Handicap (2.45pm) over six furlongs. On only his third race in the city, the former Australian galloper led from pillar to post and bounded clear in the closing stages, with pilot Karis Teetan having the luxury of looking at the big screen close to the winning line. That form reads well and, despite an eight-pound penalty, he should produce a similar display again. It is worth mentioning, however, that last season’…