4:00 p.m.

Lucie Safarova of the Czech Republic remains on course to become the first woman in 15 years to win the singles and doubles at the French Open.

Safarova teamed with Bethanie Mattek-Sands of the United States to beat Andrea Hlavackova and Lucie Hradecka of the Czech Republic, 6-2, 5-7, 6-4 to reach the doubles final.

Safarova plays top-ranked Serena Williams in the singles final on Saturday.

The last to do the double was Frenchwoman Mary Pierce in 2000, when she played alongside Martina Hingis.

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3:30 p.m.

Serena Williams is skipping practice the day before the French Open women's final, and will not conduct a news conference, either.

She meets first-time finalist Lucie Safarova on Saturday.

Williams has been sick for several days, and was listless in the heat during her semifinal victory on Thursday, then did not hold a post-match news conference, saying she went to the tournament doctor.

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3:15 p.m.

With temperatures reaching 90 degrees (32 C) on Court Chartrier for the French Open men's semifinal, Jo-Wilfried Tsonga found a novel way to keep cool.

He laid on a fridge to sooth his shoulder muscle.

He and Stan Wawrinka are into the third set, at one set all, with both looking to reach their second Grand Slam final.

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2:53 p.m.

Jo-Wilfried Tsonga won the second set 7-6 (1) against Stanislas Wawrinka to level the set score in their French Open semifinal.

The fans on Court Chartrier broke out into loud chants of "Tsonga, Tsonga" after the Frenchman broke back in the set and held to love to lead 5-4.

With his eyes closed, Tsonga appeared to be meditating at the changeover.

In high temperatures, Wawrinka won the first set 6-3.

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2:05 p.m.

For the first time at Roland Garros, there will be an all-American final in the French Open boys tournament.

Second-seeded Taylor Fritz reached the final Friday with a 6-1, 6-2 win over Corentin Denolly and will take on Tommy Paul for the title.

The 13th-seeded Paul defeated Michael Mmoh, another American player, 6-4, 6-3.

There were also two American players in the boys' final last year at Wimbledon.

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1:49 p.m.

Stanislas Wawrinka has won the first set 6-3 against home favorite Jo-Wilfried Tsonga in their French Open semifinal.

The eighth-seeded Swiss broke Tsonga in the fourth game, and served out.

The winner plays top-ranked Novak Djokovic or third-seeded Andy Murray.

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1:15 p.m.

The first French Open semifinal between Jo-Wilfried Tsonga and Stanislas Wawrinka is underway in hot and sunny conditions on center court.

Both are looking to reach their second Grand Slam final, with Tsonga losing in the 2008 Australian Open final, and Wawrinka winning that tournament in 2014.

Tsonga hopes to give France its first men's champion at Roland Garros since Yannick Noah in 1983; Henri Leconte was the host country's last male finalist, in 1988.

They have met six times before, with three wins each.

Tsonga is seeded 14th, and Wawrinka is seeded eighth, and the winner plays top-ranked Novak Djokovic or third-seeded Andy Murray.