FACTBOX-Tennis-U.S. Open in numbers

Following are facts and records ahead of the 139th edition of the U.S. Open, which begins on Monday. PRIZE MONEY

Men's/women's singles winner: $3.85 million Men's/women's singles runner-up: $1.9 million

Total prize pot: $57 million SHOWCOURTS

- Arthur Ashe Stadium Capacity: 23,771

The stadium is named after Arthur Ashe who won the men's singles title at the inaugural U.S. Open in 1968, the Australian Open in 1970, and Wimbledon in 1975. - Louis Armstrong Stadium

Capacity: 14,053 It was opened during the 2018 U.S. Open to replace the 1978 stadium of the same name. It has a retractable roof, the largest of its kind among number two stadiums at Grand Slam venues.

- Grandstand Capacity: 8,125

The court made its debut on Aug. 29, 2016, the first day of the 2016 U.S. Open. TOP SEEDS

Men's singles 1-Novak Djokovic (Serbia)

2-Rafa Nadal (Spain) 3-Roger Federer (Switzerland)

4-Dominic Thiem (Austria) 5-Daniil Medvedev (Russia)

6-Alexander Zverev (Germany) 7-Kei Nishikori (Japan)

8-Stefanos Tsitsipas (Greece) Women's singles

1-Naomi Osaka (Japan) 2-Ash Barty (Australia)

3-Karolina Pliskova (Czech Republic) 4-Simona Halep (Romania)

5-Elina Svitolina (Ukraine) 6-Petra Kvitova (Czech Republic)

7-Kiki Bertens (Netherlands) 8-Serena Williams (U.S.)

MOST CHAMPIONSHIP TITLES Men's singles

Before 1968 7 - Bill Tilden (U.S.), William Larned (U.S.), Richard Sears (U.S.)

Open Era 5 - Roger Federer (Switzerland), Pete Sampras (U.S.), Jimmy Connors (U.S.)

Women's singles Before 1968

8 - Molla Mallory (U.S.) Open Era

6 - Serena Williams (U.S.), Chris Evert (U.S.) YOUNGEST CHAMPION

Men's singles - Pete Sampras (U.S) (1990): Aged 19 years, 28 days Women's singles - Tracy Austin (U.S) (1979): Aged 16 years, 8 months, 28 days

OLDEST CHAMPION Men's singles - William Larned (U.S.) (1911): Aged 38 years, 8 months, 3 days

Women's singles - Molla Mallory (U.S.) (1926): Aged 42 years, 5 months, 27 days SERVING RECORDS

Most aces in a tournament (since 1991) Men's singles

144 - Pete Sampras (U.S.) in 2002 Women's singles

70 - Serena Williams (U.S.) in 1999 (Compiled by Hardik Vyas in Bengaluru; Editing by Ken Ferris)