Twenty-three-time Grand Slam champion Serena Williams lost in the first round of Wimbledon.
The 40-year-old American tennis star competed against world no. 115 Harmony Tan (France), and lost in three sets: 5:7, 6:1, 6:7 (7:10).
The match lasted 3 hours and 14 minutes.
Williams had not played an official singles match for the past one year.
She is a 7-time Wimbledon champion.