Rafael Nadal, Spanish professional tennis player ranked No. 1 in the world, practices on Arthur Ash court before the start of the US Open tennis championship at the USTA Billie Jean King
Karolina Pliskova Gets the Opponent She Craves: Serena Williams - The New York Times
List of WTA number 1 ranked singles tennis players - Wikipedia
The world's No. 1 tennis star embraced an 'underdog' mentality to fuel her run to the US Open final
Djokovic Completes Remarkable Return To No. 1 | ATP Tour | Tennis
2018 champion Kerber vs. No. 1 Barty in Wimbledon semifinals – Oneida Dispatch
Swiatek wins easily, but knows who's No. 1; Nadal bloodied | AP News
Chiles' Tang, Leon's Grady find toughness as girls tennis Players of the Year
2018 high school spring previews: Boys tennis
Mountain View girls tennis looks solid early on - The Columbian
World no. 1 junior Chun Hsin Tseng eyes Grand Slams history - Official Site of the 2022 US Open Tennis Championships - A USTA Event
Impressive Stretch Of Tennis For British No. 1 Kyle Edmund
U.S. Open 2018: No. 1-seed Simona Halep upset in 1st round by No. 44 Kaia Kanepi – The Denver Post
Rafael Nadal, Spanish professional tennis player ranked No. 1 in the world, practices on Arthur Ash court before the start of the US Open tennis championship at the USTA Billie Jean King
Roger Federer will top tennis rankings after five-year absence - The Boston Globe
ATP Rankings Movers: Rafael Nadal Returns To No. 1 | ATP Tour | Tennis
ZooTennis: A Look at First ITF Junior Rankings of 2018; Quarterfinals Set at Los Angeles Futures; De Minaur Beats Mmoh to Reach ATP Brisbane Semifinals
Ashleigh Barty and Katerina Siniakova secure WTA World No.1 rankings
Roger Federer reclaims No. 1 ranking by reaching Stuttgart final
Tennis Rankings: Novak Djokovic displaces Roger Federer as World No 2; Simona Halep to finish as World No 1 | Sports News,The Indian Express
Novak Djokovic or Rafael Nadal for No 1, what shape is Simona Halep in? The 2018 questions that still need answering
US Open Tennis 2018 Results: Tuesday's Singles Bracket Winners, Scores, Stats | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
World No. 1 Halep Joined By Past US Open Champions in 2018 Field | Long Island Tennis Magazine
Top 5 WTA Upsets 2018 (No.1): Sasnovich shocks title favorite Kvitova in Wimbledon opener
U.S. Open 2018: No. 1-seed Simona Halep upset in 1st round by No. 44 Kaia Kanepi – The Denver Post
