France's Caroline Garcia was singles and doubles champion in Bogota in 2014 (Getty)

Clean sweep: Champions in singles and doubles at the same tournament

Already the oldest player to win a Grand Slam singles title, by capturing the 2017 Australian Open, Serena Williams passed Graf for most Grand Slam singles titles won in the Open Era – 23

Celebrating 50 years of the Open Era

Forehand - Simona Halep

Motion pictures: Simona Halep's WTA photo shoot

Doubles World No.1 Latisha Chan reached the Sydney final with new partner Andrea Sestini Hlavackova this year

Top 10 doubles players and their best 2018 result

Smile - Elina Svitolina

Motion pictures: Elina Svitolina's WTA photo shoot

World No.5 Jelena Ostapenko. Lost the final of the Miami Open to Sloane Stephens 7-6, 6-1 (Getty)

The Top 10: Rankings leaders and their 2018 best result

Casey, pictured with players from the Carlton Blues football club during the 2004 Australian Open, quickly proved a popular addition to the tour (Getty)

Casey Dellacqua retires: A stellar career in photos

Francesca Schiavone was the 2017 champion, beating Arruabarrena in the final (tournament)

Brilliant in Bogota: From Duque-Mariño to Schiavone

Garbiñe Muguruza, Monterrey, Abierto GNP Seguros (Rafael Velez)

Monterrey 2018: Memorable images from the tournament

A nimble Anastasija Sevastova flicked aside the challenge of Kristyna Pliskova in the quarterfinals (Volvo Car Open/Chris Smith)

Sweet Carolina: The best pictures from Charleston 2018

Petra Kvitova (tournament)

Charleston player party: Kvitova, Keys & more on red carpet

Naomi Osaka and Johanna Konta pose on top of The Dewberry hotel in Charleston (Volvo Car Open)

Rooftop rallies: Osaka and Konta go panoramic in Charleston