Top-seeded Indian Mahesh Mangaonkar and second-seed Todd Harrity scripted easy wins over their respective opponents Omar El Kattan and Vladislav Titov. Chennai: India’s Abhay Singh posted an upset win over fourth-seeded Sebastien Bonmalais of France in a second-round men’s singles match at the 2nd HCL SRFI Indian Tour - Chennai leg 1 on Tuesday. Sachika Balvani beat Janet Vidhi 11-9, …