ATP Tour
College Tennis Ranking & Results
http://www.collegetennisonline.com
Intercollegiate Tennis Association
https://www.wearecollegetennis.com/
Junior College Tennis
http://www.njcaa.org/sports_news.cfm?sid=35&divid=1&slid=19
NAIA College Tennis
Texas High School Team Tennis Rankings
https://www.texastenniscoaches.com/RANKINGS.htm