Andy Murray proved his fitness by coming from a set down to beat unseeded Australian James Duckworth. Subscribe to Guardian Sport ► http://bit.ly/GDNSport Britain's two-time former champion, who has been battling a stomach strain, even threw in an underarm serve to the delight of Centre Court. Murray defended his use of an underarm serve saying 'If they stand four or five meters behind the baseline, then why would you not do that to try to bring them forward if they're not comfortable returning there? Tactically it's a smart play.' The former world number one ran out a 4-6, 6-3, 6-2, 6-4 winner in two hours and 43 minutes. Andy Murray battles back to beat James Duckworth and thrill Centre Court ► https://www.theguardian.com/sport/2022/jun/27/andy-murray-battles-back-to-beat-james-duckworth-and-thrill-centre-court Emma Raducanu and Andy Murray energise restored Wimbledon crowd ► https://www.theguardian.com/sport/2022/jun/27/emma-raducanu-and-andy-murray-energise-restored-wimbledon-crowd The Guardian publishes independent journalism, made possible by supporters. Contribute to The Guardian today ► https://support.theguardian.com/contribute Website ► https://www.theguardian.com Facebook ► https://www.facebook.com/theguardian Twitter ► https://twitter.com/guardian Instagram ► https://www.instagram.com/guardian The Guardian on YouTube: The Guardian ► https://bit.ly/guardiannewssubs Guardian News ► https://bit.ly/guardiannewssubs Guardian Australia ► https://bit.ly/guardianaussubs Guardian Football ► https://bit.ly/gdnfootballsubs Guardian Live ► https://bit.ly/guardianlivesubs #AndyMurray #Wimbledon #UnderarmServe