Wimbledon champion Barbora Krejcikova has withdrawn from next month's tournaments at Indian Wells and Miami because of a back injury. Krejcikova hasn't played in a tournament since the WTA Finals in November.

Wimbledon champion Barbora Krejcikova has pulled out of the Indian Wells and Miami tournaments due to a back injury. The injury, sustained in the Tour's Asian swing, continues to affect her after missing the Australian Open.

The reigning Wimbledon champion has not played since November with back injury and hoped to return at Indian Wells. Julia Grabher will join field

Wimbledon champion Barbora Krejcikova has withdrawn from next month's tournaments at Indian Wells and Miami due to a back injury that has kept her out of action since November.

Barbora Krejcikova and Venus Williams will not be heading to the California desert for next week's BNP Paribas Open. Krejcikova has withdrawn from the Sunshine Double due to a back injury.