Gunatilleke, a Sri Lanka under-19 poolist claimed four for 29 and then top scored with an unbeaten 43 to help Mahanama reach 129 for two at stumps on day one.

Brief Scores

De Mazenod 153 all out (51)

A. Zoysa 33, P. Nonis 33, L. Rangika 36, S. Dinusha 28*, D. Gunatilleke 4-29, S. Nissanka 2-9.

Mahanama 129/2 (42) Hashan Perera 40, Danushka Gunatilleke 43*, Duleeka Tissakuttige 25*.