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.
1990 | 1990 in music | Pro Bowl | Pro Football Hall of Fame | 1990 FIFA World Cup | 1990 ATP Tour | 2004 IAAF World Indoor Championships | Major Indoor Soccer League | Americans with Disabilities Act of 1990 | Pro Tools | Pro Football Weekly | 1990 in baseball | President pro tempore of the United States Senate | Iran Pro League | Final Cut Pro | 1990–91 in English football | Semi-Pro | Bass Pro Shops | All-Pro | 1990 Vuelta a España | 1990 in television | 1990 Commonwealth Games | USA Pro Cycling Challenge | United States Senate elections, 1990 | 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 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.
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.