![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
![Switzerland's Roger Federer (L) and Marco Chiudinelli react after their doubles match against U.S. James Cerretani and Pakistan's Aisam-Ul-Haq Qureshi at the Swiss Indoors ATP tennis tournament in Basel November 3, 2009. Switzerland's Roger Federer (L) and Marco Chiudinelli react after their doubles match against U.S. James Cerretani and Pakistan's Aisam-Ul-Haq Qureshi at the Swiss Indoors ATP tennis tournament in Basel November 3, 2009.](https://c8.alamy.com/comp/2E8J3CM/switzerlands-roger-federer-l-and-marco-chiudinelli-react-after-their-doubles-match-against-us-james-cerretani-and-pakistans-aisam-ul-haq-qureshi-at-the-swiss-indoors-atp-tennis-tournament-in-basel-november-3-2009-reuterschristian-hartmann-switzerland-2E8J3CM.jpg)
Switzerland's Roger Federer (L) and Marco Chiudinelli react after their doubles match against U.S. James Cerretani and Pakistan's Aisam-Ul-Haq Qureshi at the Swiss Indoors ATP tennis tournament in Basel November 3, 2009.
![Switzerland's Marco Chiudinelli celebrates after beating compatriot Michael Lammer at the Swiss Indoors ATP tennis tournament in Basel November 5, 2009. REUTERS/Christian Hartmann (SWITZERLAND SPORT TENNIS Stock Photo - Alamy Switzerland's Marco Chiudinelli celebrates after beating compatriot Michael Lammer at the Swiss Indoors ATP tennis tournament in Basel November 5, 2009. REUTERS/Christian Hartmann (SWITZERLAND SPORT TENNIS Stock Photo - Alamy](https://c8.alamy.com/comp/2E8A7PK/switzerlands-marco-chiudinelli-celebrates-after-beating-compatriot-michael-lammer-at-the-swiss-indoors-atp-tennis-tournament-in-basel-november-5-2009-reuterschristian-hartmann-switzerland-sport-tennis-2E8A7PK.jpg)
Switzerland's Marco Chiudinelli celebrates after beating compatriot Michael Lammer at the Swiss Indoors ATP tennis tournament in Basel November 5, 2009. REUTERS/Christian Hartmann (SWITZERLAND SPORT TENNIS Stock Photo - Alamy
![Photo: John Isner and Marco Chiudinelli compete at the U.S. Open in New York - NYP20100903323 - UPI.com Photo: John Isner and Marco Chiudinelli compete at the U.S. Open in New York - NYP20100903323 - UPI.com](https://cdnph.upi.com/pv/upi/eb2dd4605eb2e870118fdc289d778869/US-Open.jpg)
Photo: John Isner and Marco Chiudinelli compete at the U.S. Open in New York - NYP20100903323 - UPI.com
![Tennis camps with Marco Chiudinelli for players of all levels and ages - Chiudinelli Management & Consulting Tennis camps with Marco Chiudinelli for players of all levels and ages - Chiudinelli Management & Consulting](https://www.chiudinelli.ch/uploads/b/118149300-348926007992004712/vidcampdrei_983.jpg)
Tennis camps with Marco Chiudinelli for players of all levels and ages - Chiudinelli Management & Consulting
![Coach of the Italian tennis team Corrado Barazzutti reacts after winning their Davis Cup world group play-off tennis match against Stanislas Wawrinka and Marco Chiudinelli of Switzerland in Genoa September 19, 2009. Coach of the Italian tennis team Corrado Barazzutti reacts after winning their Davis Cup world group play-off tennis match against Stanislas Wawrinka and Marco Chiudinelli of Switzerland in Genoa September 19, 2009.](https://c8.alamy.com/comp/2E8D6HT/coach-of-the-italian-tennis-team-corrado-barazzutti-reacts-after-winning-their-davis-cup-world-group-play-off-tennis-match-against-stanislas-wawrinka-and-marco-chiudinelli-of-switzerland-in-genoa-september-19-2009-reutersgiampiero-sposito-italy-sport-tennis-2E8D6HT.jpg)