Why is Serena Williams not playing at Wimbledon and who is the current female World No.1? Tennis icon not at SW19

Wimbledon 2021: Serena Williams retires injured against Aliaksandra Sasnovich - BBC Sport

Wimbledon 2021 week recap: Andy Murray, Serena Williams, Roger Federer and rising teenage stars

Shakur Stevenson rejects Devin Haney's first offer of 75/25 purse split, but insists he wants the fight

Serena Williams suffers setback as tennis legend prepares for Wimbledon return - Mirror Online

Serena Williams Exits Wimbledon in the First Round, Again - The New York Times

She's not the No.1 player in the world anymore, but a win over Serena is still a win over Serena - Alicia Molik on Serena Williams' Wimbledon return

Iga Swiatek aims for French Open-Wimbledon double to emulate Serena Williams - but what holds the key? - Eurosport

Former champions Roger Federer and Serena Williams not included on entry lists for Wimbledon

Serena Williams stands alone on ageless superstar pedestal at Wimbledon

Serena Williams is back on court at Wimbledon. Will it be her last?

Serena Williams steps up her preparation for Wimbledon as she takes to Centre Court to practice