Qatar Open: Pavlyuchenkova advances to last 16

Russian Anastasia Pavlyuchenkova advanced to the last 16 of the Qatar Open when Ukrainian Marta Kostyuk retired at the Khalifa International Tennis and Squash Complex in Doha on Tuesday.

Pavlyuchenkova, ranked No 32, led 2-1 when Kostyuk, ranked No 29, pulled out at the Khalifa International Tennis and Squash Complex in Doha on Tuesday afternoon.

The Russian will play No 6 seed Marketa Vondrousova next.

In the previous round of the Qatar tournament, Anastasia Pavlyuchenkova beat No 11 seed Daria Kasatkina (6-2, 7-6 (2)).

The 21-year-old Ukrainian won against American Caroline Dolehide (6-3, 7-5) during the first round of the Qatar tournament.

Doha WTA 1000, other second-round results (Khalifa International Tennis and Squash Complex, hard, USD 3.211.715, most recent results first):

• Lin Zhu vs. Elena Rybakina
• Ons Jabeur vs. Lesia Tsurenko
• Petra Martic vs. Naomi Osaka
• Katerina Siniakova vs. Coco Gauff
• Danielle Collins vs. Marie Bouzkova
• Anastasia Potapova vs. Karolina Pliskova
• Anhelina Kalinina vs. Jelena Ostapenko
• Erika Andreeva vs. Ekaterina Alexandrova
• Linda Noskova vs. Maria Sakkari
• Xinyu Wang vs. Victoria Azarenka
• Emma Navarro vs. Elise Mertens
• Paula Badosa vs. Leylah Fernandez
• Qinwen Zheng vs. Magda Linette: tuesday
• Marketa Vondrousova beat Greet Minnen (Q): 6-2, 0-6, 6-4
• Iga Swiatek (1) beat Sorana Cirstea: 6-1, 6-1