All courts start at 11am unless otherwise stated.
Starting at 12 noon
Carina WITTHOEFT (GER) v Anna KALINSKAYA (RUS)
Elise MERTENS (BEL) v Anastasija SEVASTOVA (LAT) 
Not before 5pm
Kristyna PLISKOVA (CZE) v Timea BABOS (HUN) 
Not before 7pm
Anastasia PAVLYUCHENKOVA (RUS)  v [WC] Sara SORRIBES TORMO (ESP)
Veronica CEPEDE ROYG (PAR) v Tereza MARTINCOVA (CZE)
Kirsten FLIPKENS (BEL) v Veronika KUDERMETOVA (RUS)
Not before 3pm
[WC] Eugenie BOUCHARD (CAN) / Sabine LISICKI (GER) v Julia GOERGES (GER) / Xenia KNOLL (SUI)
Oksana KALASHNIKOVA (GEO) / Lyudmyla KICHENOK (UKR) v Andreja KLEPAC (SLO) / María José MARTINEZ SANCHEZ (ESP) 
Sofia KENIN (USA) v Beatriz HADDAD MAIA (BRA)
Not before 12.30pm
Sara ERRANI (ITA) v Jana CEPELOVA (SVK)
Yanina WICKMAYER (BEL) v Ons JABEUR (TUN)
This is the Mallorca Open's second year.
Anastasija Sevastova was the 2016 runner-up, losing to Caroline Garcia in the final, 6-3, 6-4.
Anastasia Pavlyuchenkova and Sara Sorribes Tormo have met twice before - both times on clay, and they have one win apiece.
Sabine Lisicki is making her comeback after a shoulder injury. This is her first event since November 2016