She goes toe-to-toe with Aldana Florencia Lopez of Argentina.
Two-time national champion at 48 kilos - Shannon Sweeney - gets her first taste of World Championship action this afternoon.
The Westport woman - fighting out of St Anne's Boxing Club - takes on Aldana Florencia Lopez of Argentina.
The winner will progresss to the last-16.
Sweeney's bout is fifth in today's session which gets underway in Istanbul from 4pm Irish time.