ONE...
The number of wildcards that have won a Grand Slam title - Kim Clijsters, US Open, 2010.
FOUR...
There are four former US Open champions in this year's draw at the event: defending champion Clijsters (2005, 2009); two-time champion Venus Williams (2000, 2001), 2004 champion Svetlana Kuznetsova and 2006 champion Maria Sharapova.
FOUR...
The Tour-best number of singles titles won by Caroline Wozniacki so far this season (Ponte Vedra Beach, Copenhagen, Montréal, New Haven).
SIX...
The number of players in the 2010 US Open field who own Grand Slam titles: Clijsters, Ana Ivanovic, Kuznetsova, Francesca Schiavone, Sharapova and V.Williams.
SIX...
The number of wins against Top 10 opponents recorded by Victoria Azarenka so far in 2010 - the most of any player (6-3, .667).
SEVEN...
The number of players in this year's US Open draw who have contested at least one Grand Slam final in their careers but fallen just short: Marion Bartoli, Elena Dementieva, Jelena Jankovic, Dinara Safina, Samantha Stosur, Wozniacki and Vera Zvonareva.
EIGHT...
Denmark's Wozniacki is the eighth different No.1 seed at the US Open in the last nine years. The 20-year-old is the youngest player to earn the No.1 seeding at a Grand Slam since Sharapova at the 2007 Australian Open.
NINE...
The number of different nations represented in the Top 10 of the singles rankings as the 2010 US Open kicks off on August 30.
TEN...
The number of players who have already eclipsed the $1million prize money mark heading into the US Open.
ELEVEN...
The number of singles titles won so far this year by Russians. Dementieva, Anastasia Pavlyuchenkova and Sharapova have each won two.
FOURTEEN...
The number of consecutive matches Clijsters has won at the US Open, en route to her two titles at Flushing Meadows in 2005 and 2009. The 27-year-old Belgian has, in fact, won 20 of her last 21 matches at the US Open, having also reached the final in 2003.
SIXTEEN...
The age of the youngest champion in US Open history, Tracy Austin, who won in 1979 at 16 years, 8 months, 28 days.
NINETEEN...
The number of times the US title has been successfully defended since 1946. Venus did it most recently (2000, 2001) but Chris Evert's four-in-a-row (1975-78) remains the record streak.
TWENTY-SIX...
The number of hardcourt matches won by Wozniacki (26-6) and Pavlyuchenkova (26-9) so far this year, the most on Tour.
THIRTY-THREE...
The number of times a teenager has won a Grand Slam singles title in the Open Era. The last player to do it was Sharapova, right here at Flushing Meadows in 2006. She was 19 years 132 days.
THIRTY-FOUR...
The age of current doubles No.1 Liezel Huber - the oldest player ever to hold the top ranking in either singles or doubles.
THIRTY-NINE...
The age of Kimiko Date Krumm, who is the oldest player in this year's singles draw (and just one month shy of her 40th birthday).
FORTY-ONE...
The number of consecutive Grand Slam appearances Grand Slams made by Jill Craybas and Schiavone, the longest active unbroken streaks. Japan's Ai Sugiyama didn't miss a beat for 62 Slams - the record for both women and men.
FORTY-FIVE...
The Tour-leading number of main draw singles wins recorded by Flavia Pennetta so far this season. Wozniacki has won 44.
FIFTY-SEVEN...
The number of Grand Slam main draws contested as of this week by Switzerland's Patty Schnyder, the most among active players. The retired Amy Frazier played 71 majors, the Open Era record.
SIXTY-SEVEN...
The Tour-leading number of aces served by Russian powerhouse and New Haven runner-up Nadia Petrova so far this year.
TWO HUNDRED...
The number of Grand Slam main draw match wins Venus will have accrued should she beat Italy's Roberta Vinci in the first round on Monday night. Only four other players have achieved the milestone (Martina Navratilova, Evert, Steffi Graf and Arantxa Sánchez-Vicario).
