Chung upsets Zverev, Halep scrapes through

Korea’s Hyeon Chung defeated Alexander Zverev of Germany, 5-7; 6/4; 67; 6-3; 6-0 in the biggest upset in the Men’s draw while top seeded Simona Halep of Romania scraped through to victory over American Lauren Davis 6/4; 4/6; 15/13 in a battle that lasted almost four hours.