The Spanish Rafael Nadal pulled out his pass to semifinals  of the U.S. Open in a marathon day that began on Wednesday and closed in the  early hours of Thursday, replete addition to strong emotions and good tennis.   The world number one went fishing to celebrate the Prince of Asturias Award for  Sports in 2008 received on Wednesday, and after two hours and 40 minutes of  fighting drove into their networks to American Mardy Fish, with passages 3-6,  6-1 , 6-4, 6-2.
 Nadal played the pass to the finals in 'Supersaturday' of the U.S. Open, against  English Andy Murray (n.6), which surpassed the first hour Argentine Juan Martin  del Potro (n.17) 7-6 (7 / 2), 7-6 (7 / 1), 4-6, 7-5.
 Del Potro said goodbye with a high forehead, and despite falling expired went  with their hands full, because for the first time reaches quarterfinals of a  Grand Slam, and also between ratifying the talents of more future of tennis  today.
 The 19-year-old and world number 17 ranking, piped in the last month and a half  a string of 23 consecutive victories and four titles.
 "I finished exhausted. Di best of me, but Andy is a great player, but that  takes all errors. Even so I am happy for what I've done," said the racket  Tandil.
 The show of the night was carried out by the Williams sisters, who for two  hours and 56 minutes was braided in a battle with sticks, where Serena was the  best part when she beat Venus in two sets at odds of 7-6 (8 / 6), 7-6 (9 / 7),  and advance to semifinals.
 "This was like a final, unfortunate that we had to play in the  quarter-finals," said Serena, U.S. Open champion in 1999 and 2002.
 The lowest of the Williams was revenge for the defeat suffered in the final of  Wimbledon this year, and with a better service game and need from the bottom,  won its ninth victory in 17 clashes against her sister.
 As curious information, of the 17 games played so far between the two, the  sister who won the first set was the triumph at home, except in the final
 Wimbledon 2003, where Serena started losing the initial table.
 Serena, fourth-seeded Russian will be measured to Dinara Safina (n.6), that  afternoon had defeated Italian Flavia Pennetta (N.16), 6-2, 6-3.
 The other key runs between the Russian semifinalist Elena Dementieva (N.5) and  the serious Jelena Jankovic (N.2).
 From his side, Argentines Juan Monaco and a maximum Gonzalez was laid off when  they lost in the Open semifinals of men's doubles before the pair formed by the  Czech Lukas Dlouhy and Indian Leander Paes, with partial 6-2, 6-0.
 The Indo-Czech duo is measured by the title favourites against Americans Bob  and Mike Bryan (N.2), winners of the team's Spanish Tommy Robredo and Argentine  Sergio Roitman 6-2, 6-1.
 In the women's doubles, the Spanish Anabel Medina-Garrigues and Virginia Ruano  Pascual (N.5) were classified to semifinals with a victory over the Americans  Raquel Kops-Jones and Abigail Spears, 2-6, 6-3, 7-6 ( 7 / 2).
The final Grand Slam of the year, which is played on the cement courts of  Flushing Meadows, is endowed with 20.6 million dollars in prize money and  points for the rankings of the ATP and WTA. More U.S. Open news at BSNblog.