Roger Federer officially announced his retirement from tennis on September 15 and mentioned he would play his last match in the Laver Cup. Roger paired up with Rafael Nadal on September 23 to compete in his final match in London's O2 Arena. The world watched Federer and Nadal participate in a professional tennis match for the final time, but not as rivals but as partners. Overall, it was an emotional event, despite the fact that they were defeated by the Jack Sock-Frances Tiafoe team by scores of 6-4, 6-7, and 9-11. Also read: 20-time Grand Slam champion Roger Federer announces retirement from pro tennis When the 41-year-old left the court for the final time, he was greeted with a standing ovation. The Swiss master was fortunate to say goodbye to his 24-year professional career in front of some of his competitors. Rafael Nadal and Novak Djokovic's presence was undoubtedly particularly significant to him, with whom he had many wonderful experiences.  Roger Federer is considered one of the greatest tennis players of all-time if not the best broke down in tears after playing his final tennis match on Friday. Nadal also lost control of his emotions and started crying during Federer's speech. Thousands of supporters yelled his name before Roger hugged the presence of the tennis players on the court at the O2 Arena in London. "It's been a wonderful day. I told the guys, 'I'm happy. I'm not sad.' Roger Federer said in a post-match speech. "It feels great to be here and I enjoyed tying my shoes one more time. Everything was the last time." He said this while starting his farewell remarks. Also read: Roger Federer pulls out of French Open before 4th round Roger Federer turned pro in 1998 and won 103 career titles, including 20 Grand Slam singles. He was the No. 1 tennis player for 310 weeks, including a record 237 straight weeks. Federer also ended the year as the No. 1 player five times.