Kerber out of Adelaide International with lower back injury
over 4 years in Washington Times
ADELAIDE, Australia (AP) - Former Australian Open champion Angelique Kerber sustained a lower back injury and retired from her Adelaide International match on Wednesday. The former world No. 1 trailed 6-2, 2-0 in her match against Dayana Yastremska when she stopped playing. Kerber, who won the Australian Open in 2016 ...