ATP Rankings Movers: Roger Federer Returns To No. 1 | ATP Tour | Tennis
No. 1-ranked Simona Halep advances to Western & Southern Open quarterfinals
2018 champion Kerber vs. No. 1 Barty in Wimbledon semifinals – Oneida Dispatch
Top 5 WTA Upsets 2018 (No.1): Sasnovich shocks title favorite Kvitova in Wimbledon opener
Carlos Alcaraz becomes the youngest No. 1 men's tennis player with his U.S. Open win | News | WLIW-FM
Tennis: 4 contenders for the year-end No. 1 World Ranking
U.S. Open 2018: No. 1-seed Simona Halep upset in 1st round by No. 44 Kaia Kanepi – The Denver Post
Roger Federer Pursues the No. 1 Ranking Again. Why Not? - The New York Times
US Open Tennis 2018 Results: Tuesday's Singles Bracket Winners, Scores, Stats | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
US Open 2018: British No 1 Kyle Edmund knocked out in first round after struggling with cramp | The Independent | The Independent
U.S. Open 2018: No. 1-seed Simona Halep upset in 1st round by No. 44 Kaia Kanepi – The Denver Post
List of ATP number 1 ranked singles tennis players - Wikipedia
Djokovic Completes Remarkable Return To No. 1 | ATP Tour | Tennis
ATP Rankings Movers: Rafael Nadal Returns To No. 1 | ATP Tour | Tennis
Ashleigh Barty and Katerina Siniakova secure WTA World No.1 rankings
World no. 1 junior Chun Hsin Tseng eyes Grand Slams history - Official Site of the 2022 US Open Tennis Championships - A USTA Event
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
Tennis Rankings: Novak Djokovic displaces Roger Federer as World No 2; Simona Halep to finish as World No 1 | Sports News,The Indian Express
List of WTA number 1 ranked singles tennis players - Wikipedia
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
Serena Williams gets No. 17 seed at 2018 U.S. Open - UPI.com
Roger Federer reclaims No. 1 ranking by reaching Stuttgart final
U.S. Open 2018: No. 1-seed Simona Halep upset in 1st round by No. 44 Kaia Kanepi – The Denver Post
2018 champion Kerber vs. No. 1 Barty in Wimbledon semifinals
2018 high school spring previews: Boys 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
World No. 1 Halep Joined By Past US Open Champions in 2018 Field | Long Island Tennis Magazine
