Defending champion Klizan crashes out in Kitzbuhel

Auger-Aliassime ousts friend Shapovalov in Madrid, early exit for Kyrgios

Klizan edges Popyrin, Thompson through in Sydney

Klizan to face Thiem in St. Petersburg final, Bachinger shocks Nishikori

Klizan clinches sixth tour title at Generali Open

Istomin ends Jarry's fine run to set up Klizan final

Pain-free Djokovic hopes for swift improvement

Troicki topples returning Tomic in Istanbul, Klizan through in Munich

Resilient Nadal saves three set points to extend record

Djokovic stunned by Klizan in Barcelona