NEW YORK — A year ago, Flavia Pennetta was hanging out at her parents' home on Italy's heel, recovering from right wrist surgery, watching the U.S. Open on TV — and wondering how long it would take her to get back on the tennis tour.
    Look at her now.
    Pennetta is a Grand Slam semifinalist for the first time at age 31, and in her 41st major tournament. Unseeded, ranked only 83rd, Pennetta got to the final four at Flushing Meadows with a 6-4, 6-1 victory Wednesday over another Italian, 10th-seeded Roberta Vinci, who happens to be her long-time friend and former doubles partner.
    They know each other's games, and each other's personalities, perfectly. While Pennetta was laid up after her operation last September, they spoke on the phone and sent text messages back and forth.
    "She went through some ugly times," said Vinci, who lost in last year's U.S. Open quarterfinals to yet another Italian, her current doubles partner Sara Errani.
    "But Flavia is strong-headed. She's stubborn," Vinci continued, rapping a wooden table with her right fist. "She's someone who, when she wants something, she wants it all costs, which is the right way to be."
    Back in 2009, Pennetta was the first woman from Italy to be ranked in the top 10. But she was off the tour from August 2012 until February 2013, and dropped down as far as 166th after her comeback began with a 3-7 record.
    Her ranking was still too low last month to get directly into the U.S. Open's main draw, but another player's withdrawal put Pennetta in the field.
    Taking full advantage, Pennetta has won five consecutive matches in straight sets, eliminating four seeded players along the way: No. 4 Errani, No. 21 Simona Halep and No. 27 Svetlana Kuznetsova, the 2004 U.S. Open champion, in addition to Vinci.
    Pennetta, 31, and Vinci, 30, were two of five thirtysomething women among the eight quarterfinalists in New York, tying a Grand Slam record for the Open era, which began in 1968.
    Two of the others play each other in Friday's semifinals: No. 1 Serena Williams and No. 5 Li Na are both 31.

Daniela Hantuchova, 30, was to face second-seeded Victoria Azarenka, a two-time Australian Open winner, on Wednesday night in the last women's quarterfinal. The winner of that match will play Pennetta on Friday.

In the first men's quarterfinal Wednesday, No. 8 Richard Gasquet of France edged No. 5 David Ferrer of Spain 6-3, 6-1, 4-6, 2-6, 6-3. Gasquet reached his first Grand Slam semifinal since making it that far at Wimbledon six years ago. He's also the first Frenchman in the final four at the U.S. Open since Cedric Pioline in 1999.

Gasquet was playing in only the second major quarterfinal of his career, having been 1-15 in fourth-round matches until getting past No. 10 Milos Raonic on Monday, also in five sets. Gasquet is 7-12 in matches that go the distance, a far cry from Ferrer's 19-10 mark.

"Even if I was leading two sets to love, I knew it was David Ferrer. I knew he's a big fighter," Gasquet said. "So I knew it was not over."

But after evening the match at two sets apiece, it was Ferrer who faltered down the stretch. Ferrer, the runner-up to Rafael Nadal at the French Open in July, played a loose game while down 3-2 in the fifth, including a double-fault on break point.

"I played, I believe, very bad in that game," said Ferrer, who had been 8-1 against Gasquet. "I lost, a little bit, my focus in that moment."

Gasquet will now face No. 2 Nadal, a 12-time major champion, or No. 19 Tommy Robredo, who upset Roger Federer in the fourth round. Nadal was to face Robredo in Wednesday night's last match.

Gasquet is 2-2 against Robredo, and 0-10 against Nadal.

"Last time I beat him, I was 13," Gasquet said, referring to a junior match he's seen video of on YouTube. "It was a long time ago."

Pennetta and Vinci have known each other, and played against each other, since they were about 10.

"We spent so much time together," Pennetta said.

She was convinced that relationship influenced the outcome Wednesday. In sum, Pennetta explained, she handled the circumstances better than Vinci, if only barely.

"In the beginning, we didn't play good tennis. I was tight. She was tight," Pennetta said. "When I won the first set, I just (relaxed) a little bit and tried to play better. But the day was tough for both of us."

Truth is, Vinci did not play well, accumulating twice as many unforced errors, 28, as winners, 14.

She stuck to her usual strategy, which involves plenty of rushing the net, but she won only 18 of 34 points when she moved forward.

Vinci is that rare top player in women's tennis who tries to volley frequently.

"This my kind of tennis. I cannot play (a) different style. I'm happy that I'm different," Vinci said, using her fingers to make air quotes as she said the final word.

Later, she explained: "Even if I was making errors, I needed to try to play my game."

Given their long history on and off the court, Pennetta said, "I know how she plays."

A reporter pointed out to Vinci that she is 0-2 in Grand Slam quarterfinals, and both of the losses came at the U.S. Open against Italians she's close to: She and Errani are the defending women's doubles champions in New York, and will face the Williams sisters in this year's quarterfinals.

Vinci was able to laugh at that, at least.

"See? I'm good-hearted," Vinci said. "I let them move on."

When Wednesday's match ended, she and Pennetta met at the net and hugged.

Vinci gave Pennetta a kiss on the cheek and told her, "Brava."