Top 5 contenders for No. 1 ranking in Men's Tennis in 2018
Wozniacki overtakes Halep to return to WTA World No.1
📍Back to World N°1. Roger Federer made history in Rotterdam 2018 as he returned to the top spot and as the oldest of all time. After his… | Instagram
2018 champion Kerber vs. No. 1 Barty in Wimbledon semifinals – Oneida Dispatch
2018 champion Kerber vs. No. 1 Barty in Wimbledon semifinals - The San Diego Union-Tribune
Zverev: 'I'm not thinking about being world no. 1 or ending 2018 there'
Krejcikova and Siniakova secure 2018 WTA Year-End World No.1 Doubles ranking
Djokovic back at No. 1; Nadal's season over
No. 1 Simona Halep Falls in First Round of U.S. Open - WSJ
2018 Australian Open: No. 1 Halep wins classic, will face Wozniacki in final - CBSSports.com
Serena Williams gets No. 17 seed at 2018 U.S. Open - UPI.com
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 seeded No. 25 for Wimbledon 2018 - UPI.com
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 Secures No. 1 Ranking at Age 36 - The New York Times
Ukraine's No.1 tennis player refuses to speak with Eurosport Russia | UNIAN
2018 Novak Djokovic tennis season - Wikipedia
One-and-done: Simona Halep 1st becomes No. 1 seed to lose first U.S. Open match
Serena Williams: World No.1 out of China Open and WTA finals | CNN
No. 1 Novak Djokovic says he'll play at US Open, after all | AP News
Federer's Short-Term Shot At No. 1 | ATP Tour | Tennis
Novak Djokovic or Rafael Nadal for No 1, what shape is Simona Halep in? The 2018 questions that still need answering
Simona Halep earns 2nd consecutive year-end No. 1 WTA ranking
Who Will Be The Next Dominant Women's World No.1? - Last Word On Tennis
Simona Halep: world No. 1 receives Alison Riske first at 2018 French Open
No. 1 Halep is out; 'I was too negative' | The Arkansas Democrat-Gazette - Arkansas' Best News Source
After Early Miami Exit, Roger Federer Says He'll Skip the French Open - The New York Times