[Q] Anett KONTAVEIT (EST) v Simona HALEP (ROU) 
Not before 7.30pm
Venus WILLIAMS (USA)  v Garbiñe MUGURUZA (ESP) 
NEXT GEN ARENA
Kiki BERTENS (NED)  v [Q] Daria GAVRILOVA (AUS)
Not before 4.30pm
Elina SVITOLINA (UKR)  v Karolina PLISKOVA (CZE) 
Abigail SPEARS (USA)/Katarina SREBOTNIK (SLO)  v CHAN Yung-Jan (CHN)/Martina HINGIS (SUI) 
Timea BABOS (HUN)/Andrea HLAVACKOVA (CZE)  v Kateryna BONDARENKO (UKR)/Katerina SINIAKOVA (CZE)
[WC] Sara ERRANI (ITA)/Martina TREVISAN (ITA) v Sania MIRZA (IND)/Yaroslava SHVEDOVA (KAZ) 
Ekaterina MAKAROVA (RUS)/Elena VESNINA (RUS)  v Barbora KREJCIKOVA (CZE)/ZHENG Saisai (CHN)
5 KEY FACTS FOR FRIDAY'S MATCHES
Anett Kontaveit and Daria Gavrilova are the first qualifiers to reach the quarterfinals at Rome since 2015, when three made the last eight – Christina McHale (QF), Alexandra Dulgheru (QF)...and Gavrilova (SF).
Kontaveit, having never reached a WTA Premier quarterfinal prior to 2017, has now reached two in her last three tournaments – at Stuttgart in April, now this week in Rome.
Simona Halep has won 24 of her past 28 matches on clay, her only defeats coming against Laura Siegemund at 2016 Stuttgart, Gavrilova at 2016 Rome, Stosur at 2016 Roland Garros and Siegemund at 2017 Stuttgart.
Following progression to the quarterfinals, Halep now owns 10 wins on clay this season – only Kristina Mladenovic has more, with 11.
Kiki Bertens has reached back-to-back quarterfinals in consecutive weeks, having also made the last eight in Madrid which marked her first quarterfinal at Premier Mandatory level.