Angelique Kerber’s farewell tournament from tennis is slowly turning into a fairytale as the former world number one reached the quarter-finals of the Paris Olympics on Tuesday, winning 6-4, 6-3 against 16th seed Leylah Fernandez. Kerber clinched her third victory at Roland Garros in 1 hour 25 minutes on her second match point on another sweltering day in Paris. Standing between her playing for the medals is America player Emma Navarro or Chinese Australian Open runner-up Qinweng Zheng. The 36-year-old German, who won silver at the Rio 2016 Games, said last week that she would retire after the…