Jo-Wilfried Tsonga of France returns to John Isner of the US during their third round match at the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 03 July 2016. EPA/HANNAH MCKAY

Jo-Wilfried Tsonga of France returns to John Isner of the US in their third round match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 03 July 2016. EPA/HANNAH MCKAY

Jo-Wilfried Tsonga of France plays John Isner of the US in their third round match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 03 July 2016. EPA/HANNAH MCKAY

Jo-Wilfried Tsonga of France in action against John Isner of the US in their third round match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 03 July 2016. EPA/HANNAH MCKAY

Jo-Wilfried Tsonga of France celebrates after beating John Isner of the US in their third round match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 03 July 2016. EPA/HANNAH MCKAY

Jo-Wilfried Tsonga of France celebrates after beating John Isner of the US in their third round match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 03 July 2016. EPA/HANNAH MCKAY