Andrea Petkovic retired from her Qatar Open semi-final against Latvian teenager Jelena Ostapenko with a leg injury yesterday.
Former World No.5 Eugenie Bouchard recovered from a 2-5 final set deficit and later from match point down to dispatch resurgent Latvian Anastasija Sevastova, 5-7, 6-3, 7-6(4) in the first round of the Qatar Total Open.
