Maria Sakkari edges Zheng Qinwen to reach second round at Doha

Greek Maria Sakkari, the No 5 seed, won against Chinese Qinwen Zheng 6-2, 3-6, 6-3 to move into the second round of the Qatar Open at the Khalifa International Tennis and Squash Complex in Doha on Tuesday evening.

Sakkari, ranked No 7, will play the winner of the match between Russian Ekaterina Alexandrova and Czech qualifier Karolina Pliskova next.

Doha WTA 500, other first-round results (Khalifa International Tennis and Squash Complex, hard, USD 780.637, most recent results first):

• Daria Kasatkina vs. Rebecca Marino
• Ekaterina Alexandrova vs. Karolina Pliskova: tuesday
• Beatriz Haddad Maia beat Paula Badosa: 7-6 (6), 6-3
• Belinda Bencic (7) beat Viktoriya Tomova (Q): 6-0, 6-1
• Sofia Kenin (WC) beat Liudmila Samsonova: 6-3, 6-1
• Jelena Ostapenko beat Madison Keys: 7-5, 6-2
• Petra Kvitova beat Shuai Zhang: 7-5, 6-2
• Danielle Collins beat Elise Mertens (Q): 6-4, 7-6 (6)
• Victoria Azarenka (WC) beat Ipek Oz (WC): 6-1, 6-1
• Veronika Kudermetova (8) beat Barbora Krejcikova: 6-4, 3-6, 7-6 (5)
• Karolina Muchova beat Martina Trevisan: 6-2, 6-2