Frenchwoman Clara Burel beat Austrian wildcard Sinja Kraus 6-1, 6-4 to move into the second round of the Upper Austria Ladies at the TipsArena in Linz.

Burel, ranked No 52, will face the winner of the match between Croat Petra Martic, the No 8 seed, and Katerina Siniakova next.

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

• Petra Martic vs. Katerina Siniakova
• Dayana Yastremska vs. Erika Andreeva
• Anastasia Potapova vs. Sara Errani
• 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