LONDRES (AP) — Juan Martín del Potro consiguió el último puesto en las semifinales de la Copa Masters al vencer el sábado 7-6 (3), 4-6, 6-3 a Roger Federer en su último encuentro de la fase de grupos.

Fue el primer revés del astro suizo en el torneo desde 2009, para frenar una racha de 12 triunfos al hilo. Federer ganó invicto las dos últimas ediciones del campeonato que cierra la temporada de la ATP.

LEE LOS COMENTARIOS A ESTA NOTA Y AGREGA EL TUYO


El triunfo de Del Potro también eliminó al español David Ferrer y el serbio Janko Tipsarevic, los otros integrantes del Grupo B que jugaban más tarde para completar la programación. Sin embargo, ese partido decidirá los puestos del sector rumbo a las semifinales, donde el ganador de la llave chocará el domingo con Andy Murray y el segundo se enfrentará con Novak Djokovic.

Loading Slideshow...
  • Andy Murray

    Britain's Andy Murray poses with the trophy after beating Serbia's Novak Djokovic in the championship match at the 2012 US Open tennis tournament, Monday, Sept. 10, 2012, in New York. (AP Photo/Mike Groll)

  • Novak Djokovic, Andy Murray

    Britain's Andy Murray poses with Serbia's Novak Djokovic after the championship match at the 2012 US Open tennis tournament, Monday, Sept. 10, 2012, in New York. His considerable lead, and a chance at history, slipping away, Murray dug deep for stamina and mental strength, outlasting Djokovic in a thrilling five-set U.S. Open final. (AP Photo/Mike Groll)

  • Novak Djokovic, Andy Murray

    Britain's Andy Murray poses with the trophy after beating Serbia's Novak Djokovic inMurray vs. Djokovic was a test of will as much as skill, lasting 4 hours, 54 minutes, tying the record for longest U.S. Open final. the championship match at the 2012 US Open tennis tournament, Monday, Sept. 10, 2012, in New York. (AP Photo/Charles Krupa)

  • Novak Djokovic

    Serbia's Novak Djokovic reacts while playing Britain's Andy Murray during the championship match at the 2012 US Open tennis tournament, Monday, Sept. 10, 2012, in New York. (AP Photo/Darron Cummings)

  • Britain's Andy Murray reacts after beating Serbia's Novak Djokovic in the championship match at the 2012 US Open tennis tournament, Monday, Sept. 10, 2012, in New York. (AP Photo/Charles Krupa)

  • Novak Djokovic, Andy Murray

    Britain's Andy Murray poses with the trophy after defeating Serbia's Novak Djokovic in the championship match at the U.S. Open tennis tournament, Monday, Sept. 10, 2012, in New York. Murray won 7-6 (10), 7-5, 2-6, 3-6, 6-2. (AP Photo/Mike Groll)

  • Andy Murray

    Britain's Andy Murray reacts while playing against Serbia's Novak Djokovic during the championship match at the 2012 US Open tennis tournament, Monday, Sept. 10, 2012, in New York. (AP Photo/Darron Cummings)

  • Kim Sears

    Kim Sears, Andy Murray's girlfriend, applauds after Murray wins a point against Serbia's Novak Djokovic during the championship match at the 2012 US Open tennis tournament, Monday, Sept. 10, 2012, in New York. (AP Photo/Darron Cummings)

  • The Tribute in Light is seen near the World Trade Center memorial during the championship match between Britain's Andy Murray and Serbia's Novak Djokovic at the 2012 US Open tennis tournament, Monday, Sept. 10, 2012, in New York. (AP Photo/Julio Cortez)

  • Novak Djokovic

    Serbia's Novak Djokovic, right, returns a shot to Britain's Andy Murray during the championship match at the 2012 US Open tennis tournament, Monday, Sept. 10, 2012, in New York. (AP Photo/Kathy Willens)

  • Andy Murray

    Britain's Andy Murray reacts while playing against Serbia's Novak Djokovic during the championship match at the 2012 US Open tennis tournament, Monday, Sept. 10, 2012, in New York. (AP Photo/Darron Cummings)

  • Novak Djokovic

    Serbia's Novak Djokovic reacts while playing against Britain's Andy Murray during the championship match at the 2012 US Open tennis tournament, Monday, Sept. 10, 2012, in New York. (AP Photo/Charles Krupa)

  • Victoria Azarenka

    Victoria Azarenka, of Belarus, reacts after losing to Serena Williams in the championship match at the 2012 US Open tennis tournament, Sunday, Sept. 9, 2012, in New York. Two points from defeat, Williams suddenly regained her composure to come back and win the last four games, beating No. 1-ranked Azarenka 6-2, 2-6, 7-5 on Sunday for her fourth U.S. Open title and 15th Grand Slam title overall. (AP Photo/Charles Krupa)

  • Serena Williams

    Serena Williams reacts after beating Victoria Azarenka, of Belarus, in the championship match at the 2012 US Open tennis tournament, Sunday, Sept. 9, 2012, in New York. (AP Photo/Mike Groll)

  • Serena Williams holds up the championship trophy after beating Victoria Azarenka in the championship match at the 2012 US Open tennis tournament, Sunday, Sept. 9, 2012, in New York. (AP Photo/Darron Cummings)

  • Novak Djokovic

    Serbia's Novak Djokovic celebrates after beating Spain's David Ferrer during a semifinal match at the 2012 US Open tennis tournament, Sunday, Sept. 9, 2012, in New York. (AP Photo/Darron Cummings)

  • Novak Djokovic

    Novak Djokovic of Serbia reacts after beating Spain's David Ferrer during a semifinal match at the 2012 US Open tennis tournament, Sunday, Sept. 9, 2012, in New York. (AP Photo/Mike Groll)

  • Novak Djokovic

    Novak Djokovic of Serbia reacts after beating Spain's David Ferrer during a semifinal match at the 2012 US Open tennis tournament, Sunday, Sept. 9, 2012, in New York. (AP Photo/Mike Groll)

  • Victoria Azarenka

    Victoria Azarenka reacts during a semifinal match against Russia's Maria Sharapova at the 2012 US Open tennis tournament, Friday, Sept. 7, 2012, in New York. Coming all the way back from a set and a break down, the top-seeded Azarenka prevailed in a stirring third, beating four-time major champion Sharapova 3-6, 6-2, 6-4 to reach her first U.S. Open final. (AP Photo/Mike Groll)

  • Victoria Azarenka

    Victoria Azarenka of Belarus dances while celebrating winning a semifinal match against Maria Sharapova, of Russia, at the 2012 US Open tennis tournament, Friday, Sept. 7, 2012, in New York. (AP Photo/Charles Krupa)

  • Serena Williams

    Serena Williams reacts while playing Italy's Sara Errani during a semifinal match at the 2012 US Open tennis tournament, Friday, Sept. 7, 2012, in New York. (AP Photo/Charles Krupa)

  • Serena Williams

    Serena Williams reacts after winning a semifinal match against Italy's Sara Errani at the 2012 US Open tennis tournament, Friday, Sept. 7, 2012, in New York. (AP Photo/Darron Cummings)

  • David Ferrer

    El tenista español David Ferrer es el único referente hispano en el abierto estadounidense. Ferrer enfrenta mañana sábado en semifinales al campeón defensor, el serbio Novak Djokovic.

  • Del Potro

    Del Potro

  • María Sharapova

    María Sharapova

  • Novak Djokovic

    Novak Djokovic

  • Serena Williams

    Serena Williams

  • V Azarenka

    V Azarenka

  • Tomas Berdych

    El checo tomas Berdych explota de alegría al derrotar al número uno del mundo Roger Federer.

  • Roger Federer

    Hasta la próxima parece decir Roger Federer al salir del estadio Arthur Ashe. El suizo no ocultó su gran decepción por la derrota.

  • Maria Sharapova eliminó a la francesa Marion Bartoli y está en semifinales.

  • Brooklyn Decker

    Brooklyn Decker, wife of Andy Roddick, reacts after Roddick lost his fourth round match to Argentina's Juan Martin Del Potro at the 2012 US Open tennis tournament, Wednesday, Sept. 5, 2012, in New York. Roddick said he would retire after the match. (AP Photo/Charles Krupa)

  • Andy Roddick

    Juan Martin Del Potro of Argentina hugs Andy Roddick after beating him in the fourth round of the 2012 US Open tennis tournament, Wednesday, Sept. 5, 2012, in New York. Roddick said he would retire after the match. (AP Photo/Charles Krupa)

  • El español David Ferrer, el único de los españoles aun en el torneo se mide hoy por el boleto a cuartos ante el francés Richar gasquey

  • Andy Roddick quiere seguir avanzando para tener "el mejor recuerdo" de su retiro. Hoy enfrenta al argentino Juan Martín del Potro

  • Andy Roddick quiere seguir avanzando para tener "el mejor recuerdo" de su retiro. Hoy enfrenta al argentino Juan Martín del Potro

  • Juan Martín del Potro, el único jugador latinoamericano que continúa en el US Open

  • Andy Roddick sigue extendiendo su retiro y dando alegría con su inspirado juego

  • El español David Ferrer derrotó al australiano Lleyton hewiit y ya está en octavos del abierto estadounidense

  • Juan Martín del Potro y Leonardo Mayer se abrazan luego del partido. Del Potro es el único latinoamericano en el torneo

  • Novak Djokovic

  • Roger Federer ganó su tercer partido en tres sets y hasta ahora no ha sido exigido por ninguno de sus rivales

  • El británico Andy Murray pasó aprietos para derrotar al español Feliciano López.

  • Serena Willians está en octavos de final y luce como favorita.

  • Victoria Azarenka

    La número uno del ranking femenino Victoria Azarenka enfrenta a la china Jie Zheng. FOTO AP

  • Leonardo Mayer

    Leonardo Mayer de Argentina busca por primera vez pasar a tercera ronda en un Grand Slam. FOTO AP

  • Tommy Robredo

    El español Tommy Robredo enfrenta al argentino Leonardo Mayer. FOTO AP

  • David Ferrer

    David Ferrer número 5 del ranking ATP. FOTO AP

Del Potro, que también superó a Federer en la final del torneo de Basilea el mes pasado, logró su único quiebre del partido en el primer game del último set, y luego protegió su servicio para llevarse la victoria en la Arena O2 de Londres.


El argentino ganó en su primer match point con una derecha que Federer devolvió a la red. Ambos tenistas terminaron la fase de grupos con marca de 2-1.


Federer ya había asegurado su puesto en las semifinales.


.