San Diego Open: O'Connell advances to last eight

Australian Christopher O’Connell advanced to the quarter-finals of the San Diego Open by beating American J.J. Wolf, the No 8 seed, 6-3, 7-5 at the Barnes Tennis Centre on Thursday evening. O’Connell, ranked No 130, will play the winner of the match between Mackenzie McDonald and second seed Jenson Brooksby next. The Australian benefited from the abandonment of Jason K