The 50th-ranked Slovakian has also failed to set the world alight on the red dirt this season, though he did run Novak Djokovic close on the hard courts of Acapulco in February.
After Tuesday's morale-boosting four-set victory over Russian Andrey Kuznetsov, top seed Murray called Klizan unpredictable but was also happy to talk up his own prospects.
Romanian third seed Simona Halep, who hit the ground running in a straight-sets demolition of Jana Cepelova, will also be seeking to burnish her title credentials against 102nd-ranked German Tatjana Maria on Court Suzanne Lenglen.
