Joshna Chinappa of India ended a career-long losing run to Australia’s former world champion Rachael Grinham when she upset the top seed in straight games to win the inaugural $10,000 Richmond Open here. World No.21 Chinappa beat her 16th-ranked opponent 11-9, 11-5, 11-8 for the first time in six meetings to bag her ninth Women’s Squash Association (WSA) tour title at the Country Club of Virginia here Saturday