Severin Luthi speaks about Roger Federer's motivation
Roger Federer et son coach Séverin Lüthi - Place de numéro 1 mondial | Roger federer, Joueur de tennis, Tennis
Swiss Indoors Basel & Interview With Severin Lüthi
Severin Lüthi | Facebook
NEW YORK, NY - AUGUST 26: Roger Federer, Severin Luthi sighted practicing on Arthur Ashe Stadium Court at the USTA Billie Jean King National Tennis Center on August 26, 2014 in the
Federer Family - Severin Lüthi:“Roger doesn't like to... | Facebook
Swiss' Roger Federer and Swiss Cup Davis captain Severin Luthi during the first training session at Roland Garros, in Paris, France, on May 24, 2007. Photo by Corinne Dubreuil/Cameleon/ABACAPRESS.COM Stock Photo -
Severin Lüthi on Roger Federer: "Rehabilitation is going according to plan" · tennisnet.com