WTA Toronto: Townsend into second round as Yastremska retires

American lucky loser Taylor Townsend reached the second round of the WTA National Bank Open in Toronto when Ukrainian Dayana Yastremska, the No 16 seed, retired at the Aviva Centre on Tuesday.

Townsend, ranked No 71, was leading 6-3, 3-1 when Yastremska, ranked No 27, pulled out of the match due to a shoulder injury. The American came into the tournament after Yulia Putintseva pulled out.

Townsend will play the winner of the match between Russian qualifier Erika Andreeva and Canadian wildcard Marina Stakusic next.

Toronto WTA 1000, other first-round matches (Aviva Centre, hard, USD 3,211,715):

• Karolina Pliskova beat Nadia Podoroska: 6-4, 7-6 (10)
• Victoria Azarenka (12) beat Anastasia Pavlyuchenkova: 6-2, 6-2
• Yafan Wang (Q) beat Sofia Kenin: 7-5, 7-6 (3)
• Elina Svitolina beat Shelby Rogers: 6-0, 6-2
• Moyuka Uchijima (Q) beat Viktoriya Tomova: 7-6 (4), 6-2
• Magdalena Frech beat Anastasia Potapova: 4-6, 6-3, 6-0
• Marta Kostyuk (11) beat Tatjana Maria: 6-0, 6-2
• Shuai Zhang vs. Leylah Fernandez
• Bernarda Pera vs. Katie Boulter
• Cristina Bucsa vs. Yue Yuan
• Magda Linette vs. Rebecca Marino
• Ashlyn Krueger vs. Elisabetta Cocciaretto
• Ons Jabeur vs. Naomi Osaka
• Caroline Dolehide vs. Amanda Anisimova
• Erika Andreeva vs. Marina Stakusic
• Anna Blinkova vs. Peyton Stearns
• Harriet Dart vs. Diana Shnaider
• Beatriz Haddad Maia vs. Marie Bouzkova
• Paula Badosa vs. Clara Tauson
• Elise Mertens vs. Katie Volynets
• Greet Minnen vs. Sloane Stephens
• Louisa Chirico vs. Anna Kalinskaya
• Bianca Andreescu vs. Lesia Tsurenko