French Open 2021: Roger Federer made to work in third-round win over Dominik Koepfer
The 3 1/2-hour epic forced Federer to dig deep.
Roger Federer pulls out of French Open to protect knee before Wimbledon, French Open 2021
Roger Federer pulls out of 2021 French Open after thrilling third-round win over Dominik Koepfer due to knee injury
Explained: Why did Roger Federer retire from the French Open 2021?
Roger Federer withdraws from French Open
Brendan Bradford Sporting News Canada
French Open: No. 1 Barty retires, Djokovic and Federer advance
French Open - 'That's trouble!' - Dominik Koepfer spits on Roger Federer's side of the court, deducted point - Eurosport
French Open Mixed Mix
French Open: Roger Federer made to work in third round win over Dominik Koepfer
French Open - 'That's trouble!' - Dominik Koepfer spits on Roger Federer's side of the court, deducted point - Eurosport
Adieu, Roger: Federer pulls out of French Open after Round 3 – WKRG News 5