From left: Al Hanaei sisters Maha, 18, Mahra, 16 and Hana, 14, are in action at this weekend's Abu Dhabi Grand Slam at Zayed Sports City. Antonie Robertson / The National
From left: Al Hanaei sisters Maha, 18, Mahra, 16 and Hana, 14, are in action at this weekend's Abu Dhabi Grand Slam at Zayed Sports City. Antonie Robertson / The National