Andy Murray says he will be "right in there" against Alexander Zverev as they prepare to face at Indian Wells - but only if he brings his A-game.
The Briton, 34, takes on the German world number four in the third round in California on Tuesday night.
The three-time Grand Slam champion beat Zverev at last year's Western and Southern Open - his first top-level tournament in nine months after injury.
"I can gain confidence from that," former world number one Murray said.
"He'll certainly go in as the overwhelming favourite. But if I play a high-level match, I'll be right in there.