TennisSania Mirza’s Grand Slam return ends prematurely as she retires with a calf injuryPenbugsJanuary 23, 2020January 23, 2020 by PenbugsJanuary 23, 2020January 23, 20200 Sania Mirza, who played her first Grand Slam match after two years of maternity break, had to retire during the middle of the match due...