Australian Open 2018: Wawrinka Wins First Match Back After Knee Surgery Unknown 00:17 IFTTT, Top Sports News- News18.com Stan Wawrinka was upbeat after winning a tough first match at the Australian Open on Tuesday since knee surgery last year, saying there was still pain but it was getting better from Top Sports News- News18.com http://ift.tt/2Dk592A via IFTTT Share this Share on FacebookTweet on TwitterPlus on Google+