World Tennis No. 1 Ash Barty Announces Retirement at 25

  • Three-time Grand Slam winner won Australian Open in January
  • Barty says on Instagram a difficult decision but time is right

Ash Barty in Melbourne earlier in February.

Photographer: Graham Denholm/Getty Images

Australian world tennis number one Ashleigh Barty has announced her retirement from the sport at age 25.

The three-time Grand Slam winner, who took out the Australian Open in January, announced her decision on Instagram Wednesday.