Stuttgart Open: Ostapenko into second round

Latvian Jelena Ostapenko reached the second round of the Stuttgart Open when Ukrainian qualifier Dayana Yastremska retired at the Porsche-Arena on Tuesday.

Ostapenko, ranked No 24, led 6-3, 3-0 when Yastremska, ranked No 46, pulled out on Tuesday at the Porsche-Arena.

The Latvian will face the winner of the match between American Emma Navarro, the No 7 seed, and Brazilian Beatriz Haddad Maia next.

Stuttgart WTA 500, other first-round results (Porsche-Arena, clay, EUR 925.661, most recent results first):

• Magdalena Frech vs. Sara Errani
• Mirra Andreeva vs. Erika Andreeva
• Tatjana Maria vs. Ella Seidel
• Emma Navarro vs. Beatriz Haddad Maia
• Eva Lys vs. Jasmine Paolini
• Jule Niemeier vs. Laura Siegemund
• Ekaterina Alexandrova vs. Liudmila Samsonova
• Donna Vekic vs. Jana Fett
• Diana Shnaider (8) beat Veronika Kudermetova (Q): 5-7, 6-2, 6-3
• Anastasia Potapova beat Clara Tauson: 2-6, 7-6 (8), 6-3
• Elise Mertens beat Aliaksandra Sasnovich (Q): 7-6 (3), 6-2