Top seed Carla Suarez Navarro among early casualties in Istanbul

Carla Suarez Navarro frustrated

Top seed Carla Suarez Navarro was one of four seeds to fall at the first hurdle at the Istanbul Cup on Tuesday.

The world No 27 lost the all-Spanish affair against Lara Arruabarrena, who won 6,-4, 7-5 in one hour and 28 minutes, having broken twice in each set.

Seventh seed Katerina Siniakova also crashed out as the Czech suffered a 6-3, 2-6, 4-6 defeat at the hands of Elena Rybakina, who will take on defending champion Pauline Parmentier next.

Frenchwoman Parmentier beat Evgeniya Rodina 6-1, 6-1.

Maria Sakkari and Viktoria Kuzmova were the other two seeds to tumble out with the eighth-seeded Sakkari from Greece going down to Veronika Kudermetova, who won 6-3, 6-4.

Ninth seed Kuzmova won the opening set against Barbora Strycova, but the Czech eventually triumphed 5-7, 7-5, 6-4.

Mihaela Buzarnescu held firm though as the second seed from Romania claimed a solid 6-4, 6-4 win over Julia Glushko while two-time Grand Slam winner Svetlana Kuznetsova beat Cagla Buyukakcay 6-3, 7-6 (7-4).

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