Perfect strangers as first-time quartet contest French Open semi-finals

Maria Sakkari, Anastasia Pavlyuchenkova, Barbora Krejcikova or Tamara Zidansek will continue the recent trend of new Grand Slam champions at this year's French Open after another tournament littered with surprises. For just the second time in the Open era, there are four first-time major semi-finalists in the women's singles, after...