Francesca Di Lorenzo vs. Christina McHale Full Match | 2018 US Open Round 1 - YouTube
Rafael Nadal and Roger Federer seeded 1-2 for Australian Open
U.S. Open 2018: No. 1-seed Simona Halep upset in 1st round by No. 44 Kaia Kanepi – The Denver Post
Alcaraz wins Indian Wells over Medvedev, regains No. 1 rank
Paula Badosa picks between Grand Slam title and No. 1 ranking
ATP Rankings Movers: Roger Federer Returns To No. 1 | ATP Tour | Tennis
2018 Novak Djokovic tennis season - Wikipedia
No. 1 Carlos Alcaraz out of Australian Open with leg injury – KGET 17
Roger Federer, Floundering in Heat and Humidity, Shows He's Only Human - The New York Times
Novak Djokovic Clinches Record Seventh Year-End No. 1 In FedEx ATP Rankings | ATP Tour | Tennis
Australian Open 2018: Djokovic, Federer win; Muguruza out - Sports Illustrated
World No. 1 Ash Barty named 2021 WTA Player of the Year - Just Women's Sports
Australian Open 2018: Rafael Nadal wins, Americans lose - Sports Illustrated
Gauff becomes ITF Juniors world No. 1
At 36, Roger Federer Becomes Oldest No. 1 In Tennis
Djokovic Completes Remarkable Return To No. 1 | ATP Tour | Tennis
What the ATP's year-end Top 30 would look like if there had been points at Wimbledon
2018 Australian Open: No. 1 Halep wins classic, will face Wozniacki in final - CBSSports.com
Swiatek, Gauff lose at Australian Open; Korda in 1st Slam QF
Explainer: How tennis rankings actually get it right
Carlos Alcaraz Wins US Open, Becoming Youngest Man Ranked Tennis No. 1 - Bloomberg
Bencic tops Jabeur 6-1, 5-7, 6-4 for Charleston Open title | The Seattle Times
No 1 Swiatek upset by Krejcikova in Dubai final | AP News
Throwback: When Roger Federer won the 2018 Rotterdam Open to become the oldest World No. 1
2018 ATP World Tour - Wikipedia
Hounds Make History with First Ever #1 Ranking - UIndy Athletics
