BASEL (Switzerland): Stan Wawrinka burrowed profound to overcome Donald Young 7-6 (7/4), 6-7 (3/7), 6-4 to come back to the quarter-finals of the Swiss Indoors without precedent for a long time.
The top seed without Roger Federer and Rafael Nadal was put through the wringer more than three sets by American qualifier Young, with the Swiss rising the victor on account of 16 pros.
