At the clay-court tournament of the Collector Swedish Open in Bastad, world No.1 Caroline Wozniacki had to retire in the second round against Sofia Arvidsson due to a right shoulder strain. Wozniacki won the first set 6-2 and lost the first game of the second before retiring.
The severity of the injury is still unknown. Wozniacki is yet to tweet something.
In the first round of the tournament Wozniacki had a tough two-setter against Alize Cornet. The 6-4 6-4 match featured 16 breaks of serve! (photo courtesy of Tony)