in 2002 in Doha and Indianapolis on hardcourt losing to Younes El Aynaoui and Greg Rusedski respectively. At the 2003 Australian Open Mantilla played 4 consecutive 5 set matches, winning the first three and then after leading two sets to love he lost the fourth one to Sébastien Grosjean. In May Mantilla won the Internazionali d'Italia at the Foro Italico in Rome, his last and biggest career title to date, defeating the favourite Roger Federer 7–5, 6–2, 7–6 and becoming the first unseeded player to win the event. Mantilla said about his game "I don't have the serve of Sampras or the volley of Rafter or the talent of Agassi, you know. I must be very focus every point. I must be strong mentally." After 2003 Mantilla's career went into decline, with the onset of injuries to his Achilles tendon and to his shoulder and the game moving at a speed that Mantilla's game could not keep up with. In 2004 he was involved in two more memorable matches in his defense of his TMS Rome title, Mantilla was down 7–5, 5–0 against Robby Ginepri and came back to win the next 13 games to win the match 5–7, 7–5, 6–0 and in the process he saved 5 match points. The other was a 5 set thriller at the French Open against Marat Safin which he lost 6–4, 2–6, 6–2, 6–7, 11–9, which he served for the match 3 times and was unsuccessful. Mantilla's last match of 2005 was against Guillermo Coria at the 2005 US Open and he did not play tennis due to shoulder problems until 2007. In 2006 it was discovered that Mantilla had skin cancer from which he has recovered. Mantilla returned to tennis in the 2007 Monza Challenger and qualified for the main draw winning his 3 qualification matches. In April 2007, Mantilla played his first ATP match since 2005 in Barcelona at the age of 32, where he lost in the second round to Carlos Moyá. In 2008 Mantilla was working part-time with Wayne Odesnik and he was appointed by Tennis Australia as a coach to help Australian youngsters with their clay court game, he moved between Australia and Barcelona He was the trainer of Aleksandr Dolgopolov and nowadays trains Toni Navarro. Personal life Both of Mantilla's parents are schoolteachers. He is a fan of the football team FC Barcelona and his hobbies include