![Marco Chiudinelli of Switzerland returns the ball to John Isner of the USA during third-round action at the U.S. Open held at the National Tennis Center on September 3, 2010 in New Marco Chiudinelli of Switzerland returns the ball to John Isner of the USA during third-round action at the U.S. Open held at the National Tennis Center on September 3, 2010 in New](https://c8.alamy.com/comp/TYM0C3/marco-chiudinelli-of-switzerland-returns-the-ball-to-john-isner-of-the-usa-during-third-round-action-at-the-us-open-held-at-the-national-tennis-center-on-september-3-2010-in-new-york-upi-photomonika-graff-TYM0C3.jpg)
Marco Chiudinelli of Switzerland returns the ball to John Isner of the USA during third-round action at the U.S. Open held at the National Tennis Center on September 3, 2010 in New
![Marco Chiudinelli of Switzerland returns the ball to John Isner of the USA during third-round action at the U.S. Open held at the National Tennis Center on September 3, 2010 in New Marco Chiudinelli of Switzerland returns the ball to John Isner of the USA during third-round action at the U.S. Open held at the National Tennis Center on September 3, 2010 in New](https://c8.alamy.com/comp/TYM0C1/marco-chiudinelli-of-switzerland-returns-the-ball-to-john-isner-of-the-usa-during-third-round-action-at-the-us-open-held-at-the-national-tennis-center-on-september-3-2010-in-new-york-upi-photomonika-graff-TYM0C1.jpg)
Marco Chiudinelli of Switzerland returns the ball to John Isner of the USA during third-round action at the U.S. Open held at the National Tennis Center on September 3, 2010 in New
![Tennis on Twitter: "Roger #Federer and Marco #Chiudinelli def. Dustin #Brown and Jan-Lennard #Struff 7-5, 6-3 in the semi-finals. http://t.co/gVf8C17bfp" / Twitter Tennis on Twitter: "Roger #Federer and Marco #Chiudinelli def. Dustin #Brown and Jan-Lennard #Struff 7-5, 6-3 in the semi-finals. http://t.co/gVf8C17bfp" / Twitter](https://pbs.twimg.com/media/BqHHz2nCMAAgqmP.jpg:large)