Sport
Impressive Wawrinka moves into quarters
10 years agoStan Wawrinka of Switzerland celebrates his victory against Viktor Troicki of Serbia in the men's second round at the Brisbane International tennis tournament in Brisbane on January 4, 2017. / AFP PHOTO / SAEED KHAN / IMAGE
Reigning US Open champion Stan Wawrinka was in impressive form as he saw off Serbia's Viktor Troicki in straight sets to move into the quarter-finals of the Brisbane International Wednesday.