Tennis Tennis WTA Roundup: Diyas stuns Tsurenko in Washington; Vekic overcomes Azarenka in San Jose After eliminating Wimbledon sensation Coco Gauff in the round of 32, Zarina Diyas upstaged fifth seed Lesia Tsurenko 6-4 6-4, while Victoria Azarenka suffered a second-round loss to Donna Vekic at the Silicon Valley Classic. Sacha Pisani 02 August, 2019 11:55 IST Kazakh Zarina Diyas shocked Lesia Tsurenko for a place in the quarterfinals of the Citi Open in Washington. - Getty Images Sacha Pisani 02 August, 2019 11:55 IST Unseeded Kazakh Zarina Diyas caused an upset at the Citi Open, shocking Lesia Tsurenko for a place in the quarterfinals.After eliminating Wimbledon sensation Coco Gauff in the round of 32, Diyas upstaged fifth seed Tsurenko 6-4 6-4 on Thursday.Diyas broke Tsurenko five times throughout the one hour, 53-minute contest in Washington, where both players required medical timeouts in muggy conditions.READ| ATP Roundup: Tsitsipas and Cilic reach quarters at Citi Open; Thiem edges closer to first Generali Open titleDiyas – who lost to Tsurenko in Eastbourne in June – will next face Camila Giorgi for a spot in the semifinals of the WTA International event.Giorgi dropped the first set, but the Italian rallied as she overcame Rebecca Peterson 3-6 6-3 6-4.Fourth seed Hsieh Su-wei recovered from a slow start to beat Varvara Gracheva 7-5 4-6 7-6 (8-6) in Thursday's final match.Hsieh trailed 5-2 in the opening set but she reeled off five consecutive games to move ahead in the match before Gracheva levelled it up. However, the former was not to be denied in a third-set tie-break.Awaiting Hsieh is American wildcard Caty McNally, who prevailed 6-3 1-6 6-3 against Christina McHale.Vekic overcomes Azarenka in San Jose, Mertens exitsVictoria Azarenka was beaten by Donna Vekic at the Silicon Valley Classic, while two seeds made second-round exits on Thursday.READ| Naomi Osaka: 'I haven't had fun playing tennis since Australia'Azarenka went down to fifth seed Vekic 6-4 6-3 at the WTA Premier event played on hard-courts in San Jose, California.Both players created eight break-point opportunities, but Vekic made the most of hers, converting five compared to Azarenka's three.The Croatian moved into the quarterfinals, where qualifier Kristie Ahn awaits. Ahn caused an upset with a 6-3 6-3 victory over Belgian third seed Elise Mertens.Another seed, Danielle Collins, was also resoundingly beaten, suffering a 6-2 6-0 loss to Zheng Saisai. Zheng will meet Amanda Anisimova after the 17-year-old fourth seed cruised past Madison Brengle 6-2 6-2. Subscribe to our daily newsletter Get your daily dose of Sportstar with handpicked stories delivered right to your inbox! SUBSCRIBE Please enter a valid email address. Dugout videos
Donna Vekic Victoria Azarenka Coco Gauff Lesia Tsurenko Zarina Diyas Citi Open Silicon Valley Classic