Acapulco - Rafael Nadal marked his return to action with a straight-sets victory over Pablo Andujar on Tuesday as he launched his bid to reclaim the world No 1 ranking at the Mexico Open in Acapulco.

The 33-year-old Spaniard, playing for the first time since his quarter-final exit to Dominic Thiem at the Australian Open last month, claimed a 6-3, 6-2 victory over compatriot Andujar in 1hr 30min.