The Dublin boxer is guaranteed at least a bronze.
Kellie Harrington has become Ireland's latest medal winner at the Games, taking the haul to four.
The Dublin boxer is assured of at least bronze after booking her place in the women's lightweight semi-finals.
Harrington, the number one seed in her division, had a unanimous points victory against Imane Kelif of Algeria this morning.
She can now look forward to a repeat bout of the 2018 world final against Sudaporn Seesondee in the semis.
Darragh Kenny has started with a clear round in the individual show-jumping at the Olympics.
The Offaly native and his horse V-D-L Cartello went around without a fault in 82-point-0-1 and he looks well placed to reach the final.
Fellow Irish riders Bertram Allen and Cian O'Connor are currently in qualifier action in the event.
Sprinter Leon Reid will have his 200-metres semi-final at six-minutes-past-one Irish time.
The 2018 Commonwealth Games bronze medal winner qualified in 16th place overall from the heats after running 20.53-seconds this morning.
Dublin's Andrew Coscoran has secured a place in the men's 1500m semi-finals on Thursday.
He was eighth in his heat but progressed as one of the fastest runners outside of the automatic qualifiers.
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