Brian Allen hit 119 as Fox Lodge took control of their Championship clash with Killyclooney.
The former Ireland A international clubbed 15 fours and 6 sixes in his innings as the Foxies racked up and impressive 293 for 7 in their 40 overs.
He was well supported by Barry Scott (42), Coenie Nel (40), Jason Milligan (33) and Niqash Ali (30).
Richard McMorris (4-39) and Jordan Nelson (2-40) were best with the ball for Killyclooney.
Play continues on Wednesday night at 6.30pm.