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 pair's first match was a battle between unseeded players: Venus, ranked No.72 and playing her third tournament after being diagnosed with Sjögren's Syndrome, triumphed 6-1, 4-6, 7-6(6) over World No.48 Halep in the first round of Madrid 2012 (Getty)
One week later, paired in the first round of a second consecutive clay tournament, Venus won their Rome 2012 opener 6-3, 6-4 (Getty)
Ranked World No.63 at Tokyo 2013, Venus came from a break down in the third set to upset Halep, freshly minted in the Top 20, 4-6, 7-5, 6-3 en route to the American's biggest semifinal of the year (Getty)
Halep - now ranked World No.2 - gained her first win over Venus in a Roman reprise, triumphing 6-2, 6-1 in the third round en route to the 2015 semifinals (Getty)
World No.1 Halep dispatched Venus 6-2, 6-2 in the third round of Montréal 2018 en route to the Romanian's most recent title (Getty)
Halep levelled the head-to-head at the Australian Open this year, taking their third-round tilt 6-2, 6-3 (Getty)