The Czech Republic's Tomas Berdych beat Spain's Nicolas Almagro in a four-hour five-setter to tie the Davis Cup final at 1-1 after day one.
Third seed Roger Federer beat Juan Monaco, clocking his 20th win of the season to advance at the Miami ATP Masters 1000.
Rafael Nadal and Novak Djokovic will square up in a French Open heavyweight clash on Friday determined to ignore the history-tinged implications of their mouth-watering contest.
The Williams bandwagon rolled out of Roland Garros on Friday when sisters Venus and Serena were humbled in the third round by a pair of tenacious opponents who never lost belief. A day after the French Open lost three top-10 seeds, 2002 champion Serena joined them at the exit squeue as he roared and screamed her way to a 6-4 6-4 mauling by Katarina Srebotnik.
Maria Sharapova almost became the first women's top seed in French Open history to lose in the opening round on Wednesday as Rafael Nadal showed her the way to master a Roland Garros sandstorm. Russian golden girl Sharapova toiled for two-and-a-half hours before squeezing past teenage compatriot and world number 104 Evgeniya Rodina 6-1, 3-6, 8-6.
Top seed Rafael Nadal will meet David Ferrer in an all-Spanish showdown at the Barcelona Open after contrasting semi-final victories on Saturday. Nadal produced a claycourt masterclass to demolish German Denis Gremelmayr 6-1 6-0 while Ferrer had to work much harder to tame big-hitting Swiss Stanislas Wawrinka 7-6 6-3.
World number one Roger Federer answered the threat of big-serving United States giant John Isner to join top challengers Andy Roddick, Nikolay Davydenko and James Blake in the US Open fourth round on Saturday. Federer is trying for a 12th grand-slam crown and fourth US Open title in a row.
Maria Sharapova produced another display of fearsome big hitting to roll into the US Open third round on Thursday, while top American hopes Andy Roddick and James Blake struggled to stay on course. The 20-year-old Russian glamour girl opened her shoulders to blast past overmatched Australian Casey Dellaqua 6-1, 6-0 in just 51 minutes.