Furious Serena Williams breaks racket after defeat from Stephens (video)

Serena easily won the first set - 6:3 in 28 minutes. However, the back injury intensified. 19-year-old Sloane Stephens took her chance and won the second set 5:7. When the score became 2:1 for Stephens in the third set, furious Serena beat her racket against the court twice and threw it under the bench.

The final score was 6:3, 5:7, 4:6 for Sloane Stephens. She is to meet with Victoria Azaranka in the Australian Open semi-final.

Photo: EPA/Dennis Sabangan