Serena Williams was out to prove her worth on the Parisian clay, not having qualified for the semi-finals since 2003. The former champion brought out her A-game against Svetlana Kuznetsova. Christophe Karaba / EPA
epa03731022 Jo-Wilfried Tsonga of France in action during his quarter final match against Roger Federer of Switzerland at the French Open tennis tournament at Roland Garros in Paris, France, 04 June 2013. EPA/IAN LANGSDON *** Local Caption *** 03731022.jpg
Agnieszka Radwanska arrived at Roland Garros yesterday as the favourite to win her quarter-final match against Sara Errani. Clive Brunskill / Getty Images
Errani, though, clearly had other ideas and did not let up against her Polish opponent. Clive Brunskill / Getty Images
The match turned out to be a good one for Tsonga, as the former world No 1's once-famed backhand withered away. Matthew Stockman / Getty Images
David Ferrer was also in his element, with the Spaniard facing compatriot, the veteran Tommy Robredo in the other men's quarter-final of the day. Julian Finney / Getty Images
Radwanska, seeded fourth at this year's French Open, found the going hard as she lost the first set 6-4. Martin Bureau / AFP
Federer, seeded second this year, has been a losing finalist in Paris for four years, is a very popular figure at Roland Garros. Miguel Medina / AFP
Errani continued her aggressive approach to the match, consistently holding serve in the second set, forcing Radwanska to the tie-breaker. Martin Bureau / AFP
The Italian eventually won in straight sets to reach the semi-finals for a second consecutive year. Last year's runner-up will meet Williams for a place in the final. Kenzo Tribouillard / AFP
Federer, left, was gracious in defeat as Tsonga continued his bid to emulate Yannick Noah, who won here in 1983. Kenzo Tribouillard / AFP
It was a memorable win for Tsonga as he reached the semi-finals of the French Open - just two matches away from becoming the first Frenchman in 30 years to win the Paris title. Patrick Kovarik / AFP
But the question on most fans' lips would be will this be the 32-year-old's final appearance here. Michel Spingler / AP Photo
Tsonga won in straight sets, which came as a surprise to many, although there were several others who expected him to triumph. The score was 7-5, 6-3, 6-3 to Tsonga. Christophe Ena / AP Photo
Robredo, though, was unable to replicate his class as he eventually lost 6-2, 6-1, 6-1. The 31 year old lost at the quarter-final stage yet again to end his fairy tale performance here. Michel Euler / AP Photo
Kuznetsova, herself a title winner at Roland Garros, found Williams' ground shots too hot to handle. Michel Euler / AP Photo
As the sun came out, so did the hats. The stands at Roland Garros was peppered by spectators who came prepared to shield themselves. Gonzalo Fuentes / Reuters
And came the match everyone was looking forward to: the quarter-final clash between Jo-Wilfried Tsonga and Roger Federer, the 2009 champion. Clive Brunskill / Getty Images
Williams eventually beat the unseeded Russian 6-1, 3-6, 6-3 to make it to the last-four. Her aggression, and the joy that followed, was for all to see. Patrick Kovarik / AFP
Serena Williams was out to prove her worth on the Parisian clay, not having qualified for the semi-finals since 2003. The former champion brought out her A-game against Svetlana Kuznetsova. Christophe Karaba / EPA
epa03731022 Jo-Wilfried Tsonga of France in action during his quarter final match against Roger Federer of Switzerland at the French Open tennis tournament at Roland Garros in Paris, France, 04 June 2013. EPA/IAN LANGSDON *** Local Caption *** 03731022.jpg
Agnieszka Radwanska arrived at Roland Garros yesterday as the favourite to win her quarter-final match against Sara Errani. Clive Brunskill / Getty Images
Errani, though, clearly had other ideas and did not let up against her Polish opponent. Clive Brunskill / Getty Images
The match turned out to be a good one for Tsonga, as the former world No 1's once-famed backhand withered away. Matthew Stockman / Getty Images
David Ferrer was also in his element, with the Spaniard facing compatriot, the veteran Tommy Robredo in the other men's quarter-final of the day. Julian Finney / Getty Images
Radwanska, seeded fourth at this year's French Open, found the going hard as she lost the first set 6-4. Martin Bureau / AFP
Federer, seeded second this year, has been a losing finalist in Paris for four years, is a very popular figure at Roland Garros. Miguel Medina / AFP
Errani continued her aggressive approach to the match, consistently holding serve in the second set, forcing Radwanska to the tie-breaker. Martin Bureau / AFP
The Italian eventually won in straight sets to reach the semi-finals for a second consecutive year. Last year's runner-up will meet Williams for a place in the final. Kenzo Tribouillard / AFP
Federer, left, was gracious in defeat as Tsonga continued his bid to emulate Yannick Noah, who won here in 1983. Kenzo Tribouillard / AFP
It was a memorable win for Tsonga as he reached the semi-finals of the French Open - just two matches away from becoming the first Frenchman in 30 years to win the Paris title. Patrick Kovarik / AFP
But the question on most fans' lips would be will this be the 32-year-old's final appearance here. Michel Spingler / AP Photo
Tsonga won in straight sets, which came as a surprise to many, although there were several others who expected him to triumph. The score was 7-5, 6-3, 6-3 to Tsonga. Christophe Ena / AP Photo
Robredo, though, was unable to replicate his class as he eventually lost 6-2, 6-1, 6-1. The 31 year old lost at the quarter-final stage yet again to end his fairy tale performance here. Michel Euler / AP Photo
Kuznetsova, herself a title winner at Roland Garros, found Williams' ground shots too hot to handle. Michel Euler / AP Photo
As the sun came out, so did the hats. The stands at Roland Garros was peppered by spectators who came prepared to shield themselves. Gonzalo Fuentes / Reuters
And came the match everyone was looking forward to: the quarter-final clash between Jo-Wilfried Tsonga and Roger Federer, the 2009 champion. Clive Brunskill / Getty Images
Williams eventually beat the unseeded Russian 6-1, 3-6, 6-3 to make it to the last-four. Her aggression, and the joy that followed, was for all to see. Patrick Kovarik / AFP
Serena Williams was out to prove her worth on the Parisian clay, not having qualified for the semi-finals since 2003. The former champion brought out her A-game against Svetlana Kuznetsova. Christophe Karaba / EPA
