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 Day 7 Preview: Roger Federer up Against Dominik Koepfer; Rafael Nadal, Novak Djokovic and Iga Swiatek in Action as Well - News18

Murray backs Federer's 'sensible decision' to pull out of French Open

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

Nadal reaches third round at French Open, top-ranked Ash Barty withdraws

Feature: Tennis great Roger Federer leaves with love, respect-Xinhua

French Open Mixed Mix

Djokovic, Nadal, Federer into French Open last 32 as Barty limps out - Sports - The Jakarta Post

Adieu, Roger: Federer Pulls Out of French Open After Round 3 - Bloomberg

French Open 2021: Roger Federer and Novak Djokovic victorious in second- round matches, Tennis News

French Open - 'Disgusting!' - Reaction to Dominik Koepfer spitting on Roger Federer's side of court - Eurosport

Roger Federer warned Dominik Koepfer will use Novak Djokovic inspiration at French Open, Tennis, Sport

Roger Federer withdraws from French Open

Roger Federer pulls out of French Open 2021 before 4th round

Roger Federer pulls out of French Open to protect knee before Wimbledon, French Open 2021