Isner upset by Opelka in 4 tiebreakers at Australian Open Unknown 01:41 FOX Sports Digital, IFTTT John Isner loses in 4 tiebreakers to the taller Reilly Opelka in all-US upset at Australian Open from FOX Sports Digital https://foxs.pt/2RL5SA8 via IFTTT Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsBelgium’s key moments in semi-final chargeUmtiti heads France into the FinalRonaldo signs for JuventusFIFA World Cup 2018, semi-final preview: A look at what to expect in the Croatia vs England clash at MoscowFIFA World Cup 2018: Belgium pay price for coach Roberto Martinez's strange tactical decisions against astute FranceFIFA World Cup 2018: Antoine Griezmann continues to dictate France's tempo despite Kylian Mbappe's emergence