Martina Hingis announces retirement for third and, presumably, final time - Washington Post
| Washington Post | Martina Hingis announces retirement for third and, presumably, final time Washington Post Martina Hingis, who won five Grand Slam titles and is one of only six female players to hold the No. 1 ranking in both singles and doubles at the same time, announced her retirement from tennis via a Facebook post on Thursday. It's the third time she ... Martina Hingis retires from tennis for the third time as 37-year-old ends career with 25 Grand Slam wins Martina Hingis announces retirement from pro tennis Tennis-Switzerland's Martina Hingis |