 Following is a summary of current sports news briefs. Tennis-Azarenka prevails over Kenin in battle of former champions Victoria Azarenka confessed to some nerves before coming through a tough first-round battle against Sofia Kenin 6-4 7-63 on Monday to ensure she would be the only former Australian Open champion remaining in the womens draw. The ... Sports News Roundup: Tennis-Azarenka prevails over Kenin in... 