NEW YORK -- Women to watch at the U.S. Open, which begins Monday:

SERENA WILLIAMS

Seeded: 1

Age: 31

Country: United States

2013 Match Record: 60-4

2013 Singles Titles: 8

Career Singles Titles: 54

Major Titles: 16 – U.S. Open ('99, `02, `08, `12), Wimbledon ('02, `03, `09, `10, `12), Australian Open ('03, `05, `07, `09, `10), French Open ('02, `13)

Last 5 U.S. Opens: `12-Won Championship, `11-Lost in Final, `10-Did Not Play, `09-SF, `08-W

Topspin: Trying to win two U.S. Opens in a row for first time. ... As winner of the U.S. Open Series – based on hard-court results during the North American summer hard-court circuit – eligible for $1 million bonus for a title at Flushing Meadows, giving her chance to take home $3.6 million. ... Her 34-match winning streak that ended with fourth-round loss at Wimbledon was the longest run in women's tennis since older sister Venus won 35 in a row in 2000. ... Only Steffi Graf (22), Chris Evert (18) and Martina Navratilova (18) have won more Grand Slam titles in the Open era, which began in 1968.

VICTORIA AZARENKA

Seeded: 2

Age: 24

Country: Belarus

2013 Match Record: 36-4

2013 Singles Titles: 3

Career Singles Titles: 17

Major Titles: 2 – Australian Open ('12, `13)

Last 5 U.S. Opens: `12-F, `11-3rd, `10-2nd, `09-3rd, `08-3rd

Topspin: Reached the final at the past three hard-court Grand Slam tournaments, winning two titles at the Australian Open and losing in three sets to Williams at last year's U.S. Open. ... Career record against Williams is only 3-12, but two of the victories came this season, making Azarenka only woman to beat the American twice in 2013. ... 16 career hard-court titles put her fourth among active women, behind only the Williams sisters and Maria Sharapova, who withdrew from the U.S. Open with a right shoulder injury.

AGNIESZKA RADWANSKA

Seeded: 3

Age: 24

Country: Poland

2013 Match Record: 28-9

2013 Singles Titles: 2

Career Singles Titles: 12

Major Titles: 0 – Best: F, at Wimbledon ('12)

Last 5 U.S. Opens: `12-4, `11-2nd, `10-2nd, `09-2nd, `08-4th

Topspin: Master of using spin, changing speeds and angles, to fluster opponents. ... Finally had Grand Slam breakthrough at Wimbledon a year ago, reaching her first major final. ... Her 27-2 record in first-round matches at Grand Slam tournaments – 7-0 at the U.S. Open – gives her the second-best winning percentage among active women, trailing Williams, who is 51-1. ... Moved up to No. 3 seeding when Sharapova withdrew.

LI NA

Seeded: 5

Age: 31

Country: China

2013 Match Record: 32-11

2013 Singles Titles: 1

Career Singles Titles: 7

Major Titles: 1 – French Open ('11)

Last 5 U.S. Opens: `12-3rd, `11-1st, `10-1st, `09-QF, `08-4th

Topspin: 22-5 on hard courts this season, including a run to her second career Australian Open final plus two recent semifinal appearances at Toronto and Cincinnati. ... Straight-set victories over Sharapova and Radwanska put her in the title match at Melbourne in January, but lost to Azarenka in three sets.

CAROLINE WOZNIACKI

Seeded: 6

Age: 23

Country: Denmark

2013 Match Record: 27-18 (Playing at New Haven)

2013 Singles Titles: 0

Career Singles Titles: 20

Major Titles: 0 – Best: F, U.S. Open ('09)

Last 5 U.S. Opens: `12-1st, `11-SF, `10-SF, `09-F, `08-4th

Topspin: Had won 20 first-round matches in a row at Grand Slam tournaments into back-to-back losses at Wimbledon and the U.S. Open in 2012. ... Otherwise, though, has had plenty of success at Flushing Meadows, reaching at least the semifinals the three previous years, including her only major final in 2009.

PETRA KVITOVA

Seeded: 7

Age: 23

Country: Czech Republic

2013 Match Record: 39-19

2013 Singles Titles: 1

Career Singles Titles: 10

Major Titles: 1 – Wimbledon ('11)

Last 5 U.S. Opens: `12-4th, `11-1st, `10-4th, `09-3rd, `08-1st

Topspin: Lost in final of hard-court tuneup tournament in New Haven on Saturday. ... Ranks third on tour in aces this season, trailing Serena Williams and Wimbledon runner-up Sabine Lisicki. ... Back in February, won a hard-court title and also pushed Williams to 7-5 in the third set of a quarterfinal at another tournament on the surface.

MARIA KIRILENKO

Seeded: 14

Age: 26

Country: Russia

2013 Match Record: 31-14

2013 Singles Titles: 1

Career Singles Titles: 6

Major Titles: 0 – Best: QF, Wimbledon ('12), French Open ('13)

Last 5 U.S. Opens: `12-3rd, `11-4th, `10-3rd, `09-3rd, `08-1st

Topspin: Reached the quarterfinals at two of the last five major tournaments, the best Grand Slam results of her career. ... Made her debut in the WTA's top 10 on June 10, after French Open. ... Engaged to NHL star Alex Ovechkin of the Washington Capitals. ... Won the longest tiebreaker in U.S. Open history, 17-15, in the fourth round in 2011, but lost the match in three sets to eventual champion Samantha Stosur.

SLOANE STEPHENS

Seeded: 15

Age: 20

Country: United States

2013 Match Record: 29-18

2013 Singles Titles: 0

Career Singles Titles: 0

Major Titles: 0 – Best: SF, at Australian Open ('13)

Last 5 U.S. Opens: `12-3rd, `11-3rd, `10-DNP, `09-DNP, `08-DNP

Topspin: Reached the fourth round or better at four of the past six Grand Slam tournaments, performing much more consistently on the biggest stages than at smaller tournaments. ... Will be worth watching to see how she handles the attention that comes with being an up-and-coming American at Flushing Meadows. ... Surprised Williams in an all-U.S. quarterfinal at the Australian Open in January, before losing to Azarenka in the semifinals.

___

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