Match day sort issue

Replies: 0

When you visit a page with game results the column Match Day is sorted correctly as set it but when clicking on column Match Day it is not sorted correctly (for values >10), e.g. here

http://www.olabasket.gr/%CE%B1%CF%80%CE%BF%CF%84%CE%B5%CE%BB%CE%AD%CF%83%CE%BC%CE%B1%CF%84%CE%B1-%CE%B12-%CE%B5%CE%B8%CE%BD%CE%B9%CE%BA%CE%B7/