Rafael Nadal’s career ended on Tuesday at the Davis Cup Finals after Team Spain was eliminated by the Netherlands. His retirement ceremony included figures like Roger Federer, Novak Djokovic, and Serena Williams paying tribute to him in a video.

Tennis legend Roger Federer wrote a heartfelt letter to Rafael Nadal on Tuesday before the Spanish star joins him in retirement. Nadal is participating in the Davis Cup in Malaga, Spain this week before saying goodbye to the sport he has played professionally since 2001.

Although the relationship between Rafael Nadal and Roger Federer appears to be peachy on the outside, the pair are far from being pen pals despite ditching their differences