Japanese Naomi Osaka defeated Ukrainian Marta Kostyuk, the No 19 seed, 6-3, 6-2 to move into the third round of the Italian Open at the Foro Italico in Roma on Thursday.
Osaka, ranked No 173, will face Russian Daria Kasatkina, the No 10 seed, next.
Ahead of her victory, the Japanese won against Frenchwoman Clara Burel (7-6 (2), 6-1).
Roma WTA 1000, other second-round results (Foro Italico, clay, USD 5.509.771, most recent results first):
- Mayar Sherif vs. Jasmine Paolini
- Rebecca Sramkova vs. Katie Boulter
- Elina Svitolina vs. Sara Errani
- Elisabetta Cocciaretto vs. Caroline Garcia
- Dayana Yastremska vs. Laura Siegemund
- Lesia Tsurenko vs. Anhelina Kalinina
- Anastasia Potapova vs. Jelena Ostapenko
- Ons Jabeur vs. Sofia Kenin
- Irina-Camelia Begu vs. Elena Rybakina
- Clara Tauson vs. Anna Kalinskaya
- Anastasia Pavlyuchenkova vs. Sara Sorribes Tormo
- Elise Mertens vs. Katerina Siniakova
- Danielle Collins vs. Anna Blinkova
- Maria Sakkari vs. Varvara Gracheva
- Victoria Azarenka vs. Magda Linette
- Emma Navarro vs. Paula Badosa
- Yulia Putintseva vs. Sloane Stephens
- Iga Swiatek vs. Bernarda Pera
- Coco Gauff vs. Magdalena Frech
- Ana Bogdan vs. Marketa Vondrousova
- Sorana Cirstea vs. Brenda Fruhvirtova
- Beatriz Haddad Maia vs. Xinyu Wang: thursday
- Camila Osorio vs. Madison Keys: thursday
- Elina Avanesyan vs. Jaqueline Cristian: thursday
- Aliaksandra Sasnovich (Q) beat Ekaterina Alexandrova (14): 6-0, 6-1
- Qinwen Zheng (7) beat Shelby Rogers: 6-2, 6-0
- Linda Noskova (29) beat Lucrezia Stefanini (WC): 6-3, 7-6 (1)
- Daria Kasatkina beat Tatjana Maria: 7-5, 6-1
- Diana Shnaider beat Liudmila Samsonova (15): 6-1, 6-3
- Angelique Kerber beat Veronika Kudermetova (17): 6-3, 6-0
