1991 | 1991 in music | Pro Bowl | Pro Football Hall of Fame | 1991 in television | 2004 IAAF World Indoor Championships | Major Indoor Soccer League | 1991–92 in English football | Pro Tools | Beauty and the Beast (1991 film) | 1991 in film | Pro Football Weekly | 1991 Rugby World Cup | 1991 ATP Tour | President pro tempore of the United States Senate | Iran Pro League | Final Cut Pro | 1991 Pan American Games | 1991 in sports | Semi-Pro | Bass Pro Shops | All-Pro | 1991 Soviet coup d'état attempt | USA Pro Cycling Challenge | Pro A | Pro 12 | Major Indoor Soccer League (2001–2008) | All Japan Pro Wrestling | 2010 Pro Bowl | 1999 IAAF World Indoor Championships |
It was the 23rd edition of the event known that year as the Ebel U.S. Pro Indoor, and was part of the ATP Championship Series, double-week events of the 1990 ATP Tour, running concurrently with the 1990 Eurocard Classic.
It was the 1st edition of the event known that year as the Eurocard Classic (previously held as the Stuttgart Classic exhibition event in 1988 and 1989), and was part of the ATP Championship Series, double-week events of the 1990 ATP Tour, running concurrently with the 1990 Ebel U.S. Pro Indoor.
The singles line up was headlined by Association of Tennis Professionals (ATP) No. 3, Australian Open runner-up, Philadelphia and Memphis winner Ivan Lendl, reigning Rome champion, ATP Comeback Player of the Year Thomas Muster, and Estoril titlist Emilio Sánchez.
U.S. Pro Indoor, a defunct men's tennis tournament held in Philadelphia, known as the Advanta Championships from 1997 to 1998.
The pair choreographed for Elizabeth Punsalan and Jerod Swallow the free dance they used to win the 1991 U.S. Championships.
As the first event of the season, the Philadelphia U.S. Professional Indoor attracted all WCT stars at the Philadelphia Spectrum at each of its yearly editions, with Rod Laver, John Newcombe or Marty Riessen winning the event in the early 1970s.