Roger Federer says Rafael Nadal made him enjoy tennis "even more" during their 15-year rivalry.
On November 19, Federer wrote on social media, hours before the Davis Cup Final 8.
What happened?
Federer started his message with "Vamos" and shared his thoughts on Nadal's career.
He acknowledged that Nadal beat him "a lot", with a 26-14 head-to-head record.
Why it matters for Roger Federer
Federer, now 43, was established at No. 1 in the rankings when Nadal, now 38, came along.
Nadal led their head-to-head series, including 10-4 at Grand Slam tournaments.
What comes next?
Nadal's Spanish team was scheduled to meet the Netherlands in the Davis Cup quarterfinals.
Federer ended his career with a doubles match at the Laver Cup in September 2022, alongside Nadal.
Federer told Nadal that he made him work harder than he ever thought possible.
He changed his racquet head size to gain an edge against Nadal.
Nadal defeated Federer in the 2008 Wimbledon final, ending his bid for a sixth championship.
Federer finished his career with 20 major trophies, behind Nadal's 22 and Novak Djokovic's 24.
Federer and Nadal helped form the Big Three of men's tennis, along with Djokovic.
They had an epic rivalry, with Nadal winning 14 French Opens.
Federer shared a special moment with Nadal when they played a doubles match together.
They sat side-by-side, crying, after the match.
Nadal's last event before retirement is the Davis Cup Final 8.
Federer wished him well, saying he would be cheering for him in his future endeavors.
Federer's message to Nadal was heartfelt, showing their friendship and respect.
He acknowledged Nadal's incredible career and wished him well in his retirement.