Their second career meeting was at the 2018 Australian Open (Getty)
October 5, 2019
The pair met for the fourth time in the final of the China Open. Check out their previous encounters in pictures!
Petra Kvitova, Andrea Petkovic - Australian Open 2018 - Getty
August 29, 2019
Petra Kvitova and Andrea Petkovic will face off for the 10th time in the past decade at the US Open today, with Petkovic leading the series so far 5-4. Take a look back at their past meetings here.
The pair's most recent meeting came in the last eight at the Australian Open two years ago, Williams winning 6-4, 6-1 for her 19th success over Sharapova (Getty)
August 27, 2019
Serena Williams and Maria Sharapova's popcorn first round at the US Open today will be the 22nd meeting between the two stars, but the first time they have faced each other in an opening match. Williams leads the series 19-2 - take a look back at their previous encounters here.
Simona Halep, Wimbledon, Serena Williams
July 12, 2019
Simona Halep and Serena Williams have met 11 times so far, with the Romanian triumphing for just the second time at the 2019 Wimbledon final.
July 10, 2019
Former World No.1 Simona Halep and WTA Finals champion Elina Svitolina will meet for the eighth time at Tour level in the Wimbledon 2019 semifinals - with the head-to-head 4-3 to Svitolina, with one Fed Cup singles match won by Halep.
Madison Keys, Ashleigh Barty - Roland Garros 2017 - Getty
June 4, 2019
Ashleigh Barty and Madison Keys have only met twice at professional level so far - but their rivalry stretches back to their junior days.
Petra Kvitova, Caroline Garcia - Miami 2019 - Getty
May 8, 2019
Petra Kvitova and Caroline Garcia square off for the eighth time in the third round of Madrid today. Take a look back at their previous head-to-head, which Kvitova leads 4-3.
The pair hug at the net after their French Open semifinal (Getty)
April 5, 2019
Sloane Stephens is yet to drop a set against her friend and compatriot. Check out their previous encounters in pictures.
Three years after losing to Pliskova in a home Fed Cup rubber, Halep avenged herself by triumphing 6-4, 5-7, 6-4 in this year's first-round tie in Ostrava, paving the way for a Romanian away victory (Getty)
March 28, 2019
Former World No.1s Simona Halep and Karolina Pliskova will square off for the 10th time in the Miami Open semifinals. Take a look back at how their previous meetings have gone.
2019 Miami Shot of the Day: Venus' perfect 'tweener defense
March 25, 2019
Simona Halep and Venus Williams have previously faced off six times, with the head-to-head level at three wins apiece. Take a look back at their previous encounters here.
The only match the pair have played while both were ranked in the Top 10 was their 2016 Wimbledon semifinal, which Kerber won 6-4, 6-4 to make her second of three major finals that year (Getty)
March 13, 2019
Angelique Kerber and Venus Williams will meet for the ninth time in the Indian Wells quarterfinals today. Here's how their previous matches have gone.
At the 2016 US Open, Pliskova got her revenge. (Getty Images)
January 22, 2019
Serena Williams and Karolina Pliskova are set to meet for the fourth time in their careers when they clash at the Australian Open - here’s how their previous matchups have gone.