Stuttgart Open: Andreeva moves into second round as sister Erika retires
Mirra Andreeva benefited from the abandonment of Erika Andreeva (6-2, 1-0) on Wednesday. She’ll play Ekaterina Alexandrova in the next round

No 6 seed Mirra Andreeva moved into the second round of the Stuttgart Open when lucky loser Erika Andreeva retired at the Porsche-Arena.
Andreeva, ranked No 7, led 6-2, 1-0 when Andreeva, ranked No 97, pulled out on Wednesday at the Porsche-Arena.
Mirra Andreeva will play Ekaterina Alexandrova next.
Stuttgart WTA 500, other first-round results (Porsche-Arena, clay, EUR 925.661, most recent results first):
- Tatjana Maria vs. Ella Seidel
- Magdalena Frech vs. Sara Errani
- Emma Navarro (7) beat Beatriz Haddad Maia: 6-3, 6-0
- Jasmine Paolini (5) beat Eva Lys (WC): 6-2, 6-1
- Jule Niemeier (WC) beat Laura Siegemund (WC): 4-6, 6-3, 6-4
- Ekaterina Alexandrova beat Liudmila Samsonova: 6-3, 6-3
- Jana Fett (Q) beat Donna Vekic: 7-6 (2), 6-4
- Jelena Ostapenko beat Dayana Yastremska (Q): 6-3, 3-0 ret.
- 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