List of WTA number 1 ranked singles tennis players - Wikipedia
Luke Lemaitre - 2021-22 - Men's Tennis - George Fox University
The Next Generation of Men's Tennis - The New York Times
Alcaraz, Ruud to play for world No. 1 ranking in 2022 US Open men's singles final - Official Site of the 2022 US Open Tennis Championships - A USTA Event
Women's tennis ends season ranked No. 8 - Flagler College Athletics
Junior Rankings & Standings - USTA Southern California
Tennis.com | Tennis Live Scores, News, Videos, Player Rankings
USD's Holmgren Earns #1 National Singles Ranking in Men's Tennis - University of San Diego
USTA Junior Tournaments | Junior Tennis | USTA
Tennis Tours Debate Ranking Systems Frozen by the Coronavirus - The New York Times
Third NCAA Regional Tennis Ranking Announced - Northern Sun Intercollegiate Conference
Nadal, Alcaraz among five men fighting for world No. 1 ranking at 2022 US Open - Official Site of the 2022 US Open Tennis Championships - A USTA Event
Will Carlos Alcaraz Or Casper Ruud Clinch World No. 1 On Friday At US Open? | ATP Tour | Tennis
Senior Spotlight: Xander Zuczek - Carleton College
Rankings | Pepperstone ATP Rankings | ATP Tour | Tennis
Once Again, Tennis Is Disrupted by Politics - The New York Times
Men's Tennis Ranked in Top 25 of Latest ITA Poll - Wayne State University Athletics
Second NCAA Regional Tennis Ranking Announced - Northern Sun Intercollegiate Conference
ATP Rankings Shake-Up Ends Novak Djokovic's Record Reign: Data Viz – Sportico.com
No. 11 Blazer Men's Tennis Second in First NCAA Region Rankings - Valdosta State University Athletics
Women's Tennis Heads to Missouri to Take on Tigers - University of Nebraska Omaha Athletics
Jessica Pegula, Coco Gauff move into top five in rankings - The Washington Post
By the numbers: The 2021 year-end WTA Rankings
Lady Bucs Earn Pair of Conference Wins; Remain Undefeated - Christian Brothers University Athletics
Charts Show Serena Williams's Storied Career in Tennis - The New York Times
