Holland's Sjeng Schalken in action against Australia's Lleyton Hewitt during the Stella Artois Championships at Queen's Club, London Stock Photo - Alamy
1.076 foto e immagini di Sjeng Schalken - Getty Images
Lichaam van Schalken bepaalt einde carrière - NRC
Roger Federer's Wimbledon wins - No. 9 vs. Sjeng Schalken