Roger Federer, Novak Djokovic congratulate Rafael Nadal after breaking Grand Slam men's singles title record

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Tennis greats Roger Federer and Novak Djokovic took to social media Sunday to congratulate Rafael Nadal after he topped Daniil Medvedev in an epic 5.5-hour long match in the Australian Open final to win his 21st Grand Slam title, breaking the all-time record. 

The trio had shared the record with 20 apiece until Nadal’s thrilling victory, marking his second Australian Open title and his first since 2009. 

RAFAEL NADAL WINS 21ST MAJOR TITLE IN AUSTRALIAN OPEN THRILLER OVER DANIIL MEDVEDEV 

"To my friend and great rival," Federer wrote on his Instagram Stories, "Heartfelt congratulations on becoming the first man to win 21 Grand Slam singles titles. A few months ago we were joking about both being on crutches. Amazing. Never underestimate a great champion." 

Spain's Rafael Nadal reacts after winning against Russia's Daniil Medvedev during their men's singles final match at the Australian Open in Melbourne on Jan. 31, 2022. (William West/AFP)

"Your incredible work ethic, dedication and fighting spirit are an inspiration to me and countless others around the world," he continued. "I am proud to share this era with you and honored to play a role in pushing you to achieve more, as you have done for me the past 18 years. I am sure you have more achievements ahead but for now enjoy this one." 

Djokovic, who had travel to Australia with the same goal before being deported over his vaccination status earlier this month, also shared his praise for Nadal on Instagram. 

"There has been some outstanding tennis played at this year’s @australianopen and the finals were exceptional," he said in a post, also celebrating the women’s final participants.