After yet more breakthroughs for the new British Number One and World No.49 Jo Konta, fellow BT Sport commentator Anne Keothavong tells David Law that she thinks Konta could make it into the World's Top 20 by Wimbledon 2016. Plus David & Catherine Whitaker debate the future of Serena Williams - how deep an impact will her US Open loss to Vinci prove to have? - and the amazing success of her sister and newly crowned Wuhan Open Champion Venus. All that, plus plenty more talking points, including whether Andy Murray deserves his inclusion in 'The Big 4', and debate over whether Grigor Dimitrov will ever fulfil his potential.  See acast.com/privacy for privacy and opt-out information.