Alert: Federer advances as Mannarino retires in fifth set at Wimbledon with knee injury

Wimbledon, Day 2: Roger Federer (No 6) d. Adrian Mannarino 6-4, 6-7, 3-6, 6-2 RET

• What happened? Roger Federer made a successful return to Wimbledon, advancing past Adrian Mannarino, who was forced to retire in the fifth set after suffering a knee injury late in the fourth.
• Why it matters? Federer is an eight-time Wimbledon champion and the all-time Wimbledon win leader with a 102-13 record.
• To follow the matches live, see the men’s and women’s draws, we recommend that you visit the official tournament website.
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