India tennis ace Sania Mirza could have achieved incredible heights as a singles player had she not suffered multiple injuries, according to her father Imran Mirza.

Sania, 33, who achieved her best singles ranking of 27 in 2007, underwent two wrist surgeries and three knee operations by 2011. On her comeback, she took to doubles in 2013, rising to No. 1 in April 2015.