TennisFlawless Federer defeats Djokovic; qualifies for semisPenbugsNovember 15, 2019November 15, 2019 by PenbugsNovember 15, 2019November 15, 20190 Roger Federer after losing to Dominic Thiem in straight sets, came back stronger to beat Berrettini and had his familiar foe Novak Djokovic standing in...