Hamburg Open: Pera beats Sonmez to reach last 16

American Bernarda Pera, the No 3 seed, edged out qualifier Zeynep Sonmez 6-2, 1-6, 6-4 to reach the last 16 of the Hamburg Open at Am Rothenbaum.

Pera, ranked No 56, will play Estonian Kaia Kanepi next.

Hamburg WTA 250, other round of 32 results (Am Rothenbaum, clay, EUR 225.480, most recent results first):

• Donna Vekic vs. Storm Hunter
• Arantxa Rus vs. Maria Timofeeva
• Daria Saville vs. Jasmine Paolini
• Eva Lys vs. Mayar Sherif
• Jule Niemeier (WC) beat Ella Seidel (WC): 7-6 (5), 1-6, 6-3
• Nadia Podoroska beat Viktoriya Tomova: 6-1, 7-5
• Camila Osorio (8) beat Kamilla Rakhimova: 6-4, 6-3
• Kaia Kanepi beat Kaja Juvan (Q): 6-1, 6-4
• Julia Grabher (5) beat Miriam Bulgaru (Q): 6-4, 6-4
• Diana Shnaider beat Polina Kudermetova (Q): 6-0, 4-6, 6-1
• Yulia Putintseva (6) beat Elsa Jacquemot (Q): 6-2, 6-4
• Noma Noha Akugue (WC) beat Laura Pigossi: 7-5, 6-4
• Martina Trevisan beat Elvina Kalieva: 6-1, 6-0
• Panna Udvardy beat Anna Karolina Schmiedlova: 3-6, 6-3, 6-1
• Tamara Korpatsch beat Maria Lourdes Carle: 3-6, 6-2, 6-1