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.

French Open: Roger Federer defeats Dominik Koepfer in match which finishes at 12:43am in Paris, Tennis News

French Open 2021: results, scores, Rafael Nadal, Novak Djokovic, Roger Federer, video, reaction

French Open: Roger Federer & Novak Djokovic through, Rafael Nadal plays later - BBC Sport

Roger Federer Survives Upset Bid From Dominik Koepfer to Advance At 2021 French Open, News, Scores, Highlights, Stats, and Rumors

Adieu, Roger: Federer pulls out of French Open after Round 3

Top-ranked Ash Barty retires from match; Djokovic and Federer advance at French Open - The Globe and Mail

Roger Federer withdraws from French Open over knee concerns

French Open Mixed Mix

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

Roger Federer - The French Open Story

Evert says 100% behind Federer's decision to pull out of French Open