U.S. Pro Indoor

Pro Indoor since 1973, saw American players dominating the fields in the 1970s and 1980s, with Tim Mayotte reaching four finals, World No.

[12][13] The event entered the new ATP circuit in 1990 as part of the Championship Series, to see eighteen-year-old, and future US Open champion Pete Sampras win his first career title against Andrés Gómez.

Pro Indoor for two editions, before Comcast became the sponsor of the event in 1992, effectively saving it from being discontinued.

[15] In the following years, the Comcast U.S. Indoor's prize money was reduced to less than a million dollars, preventing the creation of attractive line ups, and gaining the nickname "Comatose U.S.

Pete Sampras won his third and fourth Philadelphia titles in the last two editions of the event, taking place on indoor hard courts at the CoreStates Center, before it was definitely discontinued in 1998.

Pete Sampras won his first career singles title in Philadelphia in 1990, defeating Andrés Gómez in the final – he eventually reached four more finals, winning three times