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.

Williams eliminated by Rybakina, Tsitsipas to play Medvedev in quarter-finals

Roger Federer pulls out of 2021 French Open after thrilling third-round win over Dominik Koepfer due to knee injury

ARDUOUS: Roger Federer Pulls Through Dominik Koepfer in 3hours and 35 Minutes at French Open 2021 3rd Round - EssentiallySports

French Open Mixed Mix

Roger Federer chooses rest, withdraws from French Open - Los Angeles Times

The Latest: Federer comes through tough test at French Open

Roger Federer Pulls Out of French Open - The New York Times

French Open 2021: Roger Federer made to work in third-round win over Dominik Koepfer

French Open 2021 LIVE - Swiatek, Medvedev, Federer and Serena in action at Roland Garros first round - Eurosport

Roger Federer loses his cool with chair umpire at French Open, but holds nerve to beat Marin Cilic - Tennis365

The Latest: Federer comes through tough test at French Open

Brendan Bradford Sporting News Canada

French Open day eight

39-Year-Old Roger Federer Survives Epic 4-Set Clash At French Open; Novak Djokovic Looms In Quarters

I don't know if I'm going to play, Roger Federer considers pulling out of French Open 2021