“Six” out of the “seven” sets that they have played against each other have been 6-7! 😐 Wawrinka and Berrettini providing a crazy first round match up at this year’s Slams! 🎾 #SorryItHadToBeDone @stanwawrinka85 @matberrettini @usopen #Tennis #Wawrinka #Berrettini #SixSeven