Chung Ousts Coric In Chennai

Qualifier Hyeon Chung began his 2017 ATP World Tour season with an upset over sixth seed and fellow NextGen star Borna Coric at the Aircel Chennai Open on Monday. The 20-year-old Korean topped the Croat 6-3, 7-5 in just over two hours. In the second round, Chung will face Dudi Sela, a 6-2, 6-2 winner over Damir Dzumhur.

Top seed Marin Cilic will begin his season against Jozef Kovalik after the 24-year-old Slovakian defeated Gastao Elias 6-7(5), 6-4, 6-2. Steve Darcis beat Nikola Mektic 6-2, 6-3 to set a second-round clash with third seed Albert Ramos-Vinolas.

Elsewhere, Moscow native Daniil Medvedev beat Thiago Monteiro 6-3, 6-3. The NextGen player awaits the winner of eighth seed Yen-Hsun Lu and Radu Albot.

In doubles, second seeds Guillermo Duran and Andres Molteni defeated Wesley Koolhof and Matwe Middelkoop 7-6(4), 6-4 to set a quarter-final meeting with Johan Brunstrom and Andreas Siljestrom, 6-2, 6-4 winners over Indian wild cards N.Sriram Balaji and Vishnu Vardhan.