![Germany's Sabine Lisicki celebrates after defeating World No.1 Serena Williams on Centre Court Monday. Lisicki prevailed 6-2 1-6 6-4 following an enthralling tussle.](https://media.cnn.com/api/v1/images/stellar/prod/130701154102-tennis-sabine-lisicki.jpg?q=w_4688,h_3244,x_0,y_0,c_fill/h_447)
On top of the world —
Germany's Sabine Lisicki celebrates after defeating World No.1 Serena Williams on Centre Court Monday. Lisicki prevailed 6-2 1-6 6-4 following an enthralling tussle.
![Williams made a nightmare start to the contest -- losing the opening set 6-2 against the 23rd seed Lisicki. Her opponent reached the semifinal at Wimbledon in 2011.](https://media.cnn.com/api/v1/images/stellar/prod/130701154618-serena-tennis.jpg?q=w_4928,h_3280,x_0,y_0,c_fill/h_447)
Williams woes —
Williams made a nightmare start to the contest -- losing the opening set 6-2 against the 23rd seed Lisicki. Her opponent reached the semifinal at Wimbledon in 2011.
![Williams, who had previously gone 34 matches without defeat, struggled to match her opponent in the opening set as Lisicki made a superb start.](https://media.cnn.com/api/v1/images/stellar/prod/130701154926-serena-williams-tennis.jpg?q=w_4928,h_3280,x_0,y_0,c_fill/h_447)
Fighting frustration —
Williams, who had previously gone 34 matches without defeat, struggled to match her opponent in the opening set as Lisicki made a superb start.
![Williams hit back in the second set, taking it 6-2 as she showed the kind of form which has helped her win five Wimbledon titles. The 16-time grand slam champion then took a 4-2 lead in the third and final set.](https://media.cnn.com/api/v1/images/stellar/prod/130701155508-serena-williams-tennis.jpg?q=w_4641,h_2417,x_0,y_0,c_fill/h_447)
On the comeback trail —
Williams hit back in the second set, taking it 6-2 as she showed the kind of form which has helped her win five Wimbledon titles. The 16-time grand slam champion then took a 4-2 lead in the third and final set.
![Trailing 2-4 in the final set, Lisicki showed remarkable composure to keep her nerve and reel off four straight games to clinch a famous victory.](https://media.cnn.com/api/v1/images/stellar/prod/130701160009-tennis-sabine-lisicki.jpg?q=w_4256,h_2778,x_0,y_0,c_fill/h_447)
Tense times —
Trailing 2-4 in the final set, Lisicki showed remarkable composure to keep her nerve and reel off four straight games to clinch a famous victory.
![Lisicki was overcome with emotion after hitting the winning shot and sank to her knees on court before being congratulated by Williams.](https://media.cnn.com/api/v1/images/stellar/prod/130701160450-tennis-lisicki.jpg?q=w_4928,h_3280,x_0,y_0,c_fill/h_447)
Winning moment —
Lisicki was overcome with emotion after hitting the winning shot and sank to her knees on court before being congratulated by Williams.
![Lisicki will play Estonia's Kaia Kanepi, ranked 46th in the world in the quarterfinal. It will be the first meeting between the two women.](https://media.cnn.com/api/v1/images/stellar/prod/130701160759-tennis-lisicki.jpg?q=w_4928,h_3280,x_0,y_0,c_fill/h_447)
Victory salute —
Lisicki will play Estonia's Kaia Kanepi, ranked 46th in the world in the quarterfinal. It will be the first meeting between the two women.
![Williams congratulated her opponent following the contest and told reporters:"I didn't play the big points good enough. I had a little hesitation. That explains it."](https://media.cnn.com/api/v1/images/stellar/prod/130701161733-tennis-serena-williams-sabine-lisicki.jpg?q=w_4928,h_3280,x_0,y_0,c_fill/h_447)
Gracious in defeat —
Williams congratulated her opponent following the contest and told reporters:"I didn't play the big points good enough. I had a little hesitation. That explains it."