Zverev: 'I'm not thinking about being world no. 1 or ending 2018 there'
2018 champion Angelique Kerber, No. 1 Ash Barty into Wimbledon semifinals | Sports News,The Indian Express
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 finishes first meet of season - Northwest Missouri State Athletics
Wimbledon 2021: World No 1 Ash Barty Beats 2018 Champ Angelique Kerber To Enter Final
Tennis: Medvedev first man in 18 years other than 'Big 4' to be world No 1 - The Week
US Open 2018: British No 1 Kyle Edmund knocked out in first round after struggling with cramp | The Independent | The Independent
Tennis: 4 contenders for the year-end No. 1 World Ranking
At 36, Roger Federer Becomes Oldest No. 1 In Tennis
Novak Djokovic begins No. 1 charge as Roger Federer learns first Shanghai opponent | Metro News
No. 1 Halep wins suspended match, advances in Cincinnati - Sportsnet.ca
:focal(1020x328:1022x326)/origin-imgresizer.eurosport.com/2018/02/17/2273705-47372890-2560-1440.jpg "New world No 1 Federer reaches Rotterdam final - Eurosport")
New world No 1 Federer reaches Rotterdam final - Eurosport
List of WTA number 1 ranked singles tennis players - Wikipedia
New world No.1 Roger Federer wins Rotterdam Open - Vanguard News
US Open Tennis 2018 Results: Tuesday's Singles Bracket Winners, Scores, Stats | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
2018 champion Kerber vs. No. 1 Barty in Wimbledon semifinals | AP News
Roger Federer replaces Rafael Nadal as tennis World No. 1, Novak Djokovic slips | Tennis News - Hindustan Times
U.S. Open 2018: No. 1-seed Simona Halep upset in 1st round by No. 44 Kaia Kanepi – The Denver Post
Top 5 WTA Upsets 2018 (No.1): Sasnovich shocks title favorite Kvitova in Wimbledon opener
2018 high school spring previews: Boys tennis
Rafael Nadal: No. 1 headed to 2018 Australian Open
2018 champion Kerber vs. No. 1 Barty in Wimbledon semifinals - ABC News
World No. 1 Halep Joined By Past US Open Champions in 2018 Field | Long Island Tennis Magazine
:focal(1211x566:1213x564)/origin-imgresizer.eurosport.com/2018/01/18/2248178-46862350-2560-1440.jpg "World no.1 Simona Halep makes light work of Eugenie Bouchard in second round - Eurosport")
World no.1 Simona Halep makes light work of Eugenie Bouchard in second round - Eurosport
