Ukrainian wildcard Dayana Yastremska advanced to the second round of the Upper Austria Ladies by beating Russian qualifier Erika Andreeva 7-6 (4), 3-6, 6-2 at the TipsArena in Linz.

Yastremska, ranked No 29, will face No 3 seed Donna Vekic next.

Linz WTA 500, other first-round results (TipsArena, hard, USD 802.237, most recent results first):

• Petra Martic vs. Katerina Siniakova
• Anastasia Potapova (5) beat Sara Errani (Q): 6-4, 6-3
• Clara Burel beat Sinja Kraus (WC): 6-1, 6-4
• Lucia Bronzetti beat Angelique Kerber (WC): 6-1, 6-3
• Jule Niemeier (Q) beat Anna Blinkova: 6-3, 6-4
• Elisabetta Cocciaretto beat Lucrezia Stefanini (Q): 6-2, 6-0
• Jaqueline Cristian (LL) beat Nadia Podoroska: 6-3, 6-4
• Clara Tauson (Q) beat Camila Giorgi: 3-6, 6-3, 6-3
• Jodie Burrage (Q) beat Varvara Gracheva (7): 6-4, 6-0
• Katie Boulter beat Jasmine Paolini (6): 6-2, 6-2
• Anastasia Pavlyuchenkova beat Martina Trevisan: 6-4, 6-0