Venus Williams unleashed the fastest serve by a woman at a grand slam as the American kept the Stars and Stripes fluttering at the French Open on Wednesday.
The Indian ace registered a 7-6(4), 2-6, 6-2 second round win over Robby Ginepri of the United States in the qualifiers n Friday to keep his hopes alive.
Andre Agassi served up his traditional late-night feast at the U.S. Open on Monday, beating fellow American Robby Ginepri to move into the second round.
The top seed won two matches on Thursday to advance to the last eight at the RCA Tennis Championships in Indianapolis.
The top seed was leading 6-4, 2-5 against Michel Kratochvil before heavy rain suspended play at the RCA Tennis Championships.
The US Open champion gave the US a 2-0 lead over Austria on the opening day of their first-round Davis Cup World Group tie.
American Robby Ginepri moved easily into the Japan Open quarter-finals with a 6-4, 6-4 victory over Luxemburg's Gilles Muller on Thursday.
Andre Agassi outlasted unseeded American Robby Ginepri to reach his sixth U.S. Open final and become the oldest man to reach a Grand Slam final in 31 years.
The top seed will face Kenneth Carlsen in the semi-finals after the unseeded Dane beat American Jan-Michael Gambill at the Kroger St Jude ATP event.