The five-time former champion fell to Nick Kyrgios 4-6, 6-7 (3) in the fourth round of the BNP Paribas Open, an ATP Masters 1000 event in Indian Wells.
Novak and Viktor saved one match point en-route to a 5-7, 6-1, 11-9 victory over Pierre-Hugues Herbert and Nicolas Mahut. They face Klaase/Ram in quarter-finals.
