Poland Open: Martincova books spot in last 16, beats Zhang

Tereza Martincova defeated Chinese Shuai Zhang, the No 5 seed, 7-6 (3), 6-4 to advance to the last 16 of the Poland Open at the Legia Tennis Centre in Warsaw on Tuesday.

Martincova, ranked No 107, will play Belgian Yanina Wickmayer next.

Warsaw WTA 250, other round of 32 results (Legia Tennis Centre, hard, USD 259.303, most recent results first):

• Iga Swiatek vs. Nigina Abduraimova
• Claire Liu vs. Yue Yuan
• Jessika Ponchet vs. Yuliya Hatouka
• Katerina Siniakova vs. Heather Watson
• Aliaksandra Sasnovich vs. Karolina Muchova
• Jana Fett vs. Linda Noskova
• Natalija Stevanovic vs. Tatjana Maria: tuesday
• Clara Tauson beat Daria Snigur: 6-2, 6-3
• Ankita Raina vs. Jodie Burrage: tuesday
• Rebecca Sramkova (Q) beat Weronika Ewald (WC): 6-2, 6-2
• Lin Zhu (4) beat Xiyu Wang: 6-4, 6-2
• Lucrezia Stefanini beat Linda Fruhvirtova (7): 6-1, 7-6 (4)
• Viktoria Hruncakova beat Kristina Kucova: 7-5, 6-3
• Laura Siegemund beat Maja Chwalinska (WC): 6-4, 6-1
• Yanina Wickmayer beat Nao Hibino: 6-2, 6-4