It was the twentieth edition of the tournament which was part of the 2015 ATP Challenger Tour .
The 2015 JSM Challenger of Champaign -- Urbana was a professional tennis tournament played on hard courts .
JSM Challenger of Champaign -- Urbana was the twentieth edition of the tournament which was part of the 2015 ATP Challenger Tour .
The 2015 JSM Challenger of Champaign -- Urbana was a professional tennis tournament played on hard courts .