pain." On 4 February, in an interview with The Times, Professor Derek McMinn, who invented the BHR implant and procedure, gave the opinion that Murray's chances of returning to competitive tennis should be "in the high 90 per cent". On 7 March, Murray stated in an interview that he was now free of pain in his hip as a result of the surgery and may therefore return to playing competitive tennis, but that any potential Wimbledon return would be dependent on how his hip felt, and that he would not rush his comeback and may test his condition by playing doubles. On 16 May 2019, Murray received his knighthood from Prince Charles at Buckingham Palace, two years after he was awarded the honour. Murray returned to the professional tennis circuit in June, entering the doubles competition of the Queen's Club Championships alongside Feliciano Lopez. The duo won their first round match against the top seeds Juan Sebastián Cabal and Robert Farah in straight sets and then beat the defending champions John Peers and Henri Kontinen in the semi finals. Murray and Lopez went on to win the tournament by defeating Rajeev Ram and Joe Salisbury in a final set champions tiebreak. Following the win, Murray stated that his "hip felt great" and that "there was no pain." Murray continued his comeback from injury by partnering Marcelo Melo in the doubles at the Eastbourne International where they lost in the first round against Cabal and Farah. At the 2019 Wimbledon Championships, Murray entered the men's doubles and mixed doubles events. In the men's doubles he partnered Pierre-Hugues Herbert and was eliminated in the second round, while his mixed doubles partnership with Serena Williams ended with a third round defeat to top seeds Bruno Soares and Nicole Melichar. After Murray's Wimbledon campaign, he and his brother Jamie participated in the Citi Open doubles, where they defeated Edouard Roger-Vasselin and Nicolas Mahut before losing to Michael Venus and Raven Klaasen in the round of 16. His next tournament at the Canadian Open renewed his partnership with Feliciano Lopez where they defeated Lukasz Kubot and Marcelo Melo and lost to Fabrice Martin and Jeremy Chardy. Following the conclusion of the tournament, Murray stated his return to the singles competition at the Western and Southern Open and revealed his plans to play in China in the autumn. In his first singles match since the 2019