It beat Don Bosco, Egmore by vurtue of its 1st innings lead at the Vivekananda College ground, Mylapore.
Don Bosco batsmen had to overhaul the San Thome 1st innings score of 220 in 87.4 overs.
It could manage only 165 for the loss of all its wickets.
San Thome star bowlers rocked the Egmore team. P Ajit Kumar took 4 wickets and Aditya Barooah took 3 wickets.
San Thome batted again on Day 2 and scored 138 for 5 wickets and by 3 p.m. the match was called off since the team had won on a first innings lead. Karthik hit 50 runs in the 2nd innings.
Don Bosco won the toss on Day 1 morning and opted to field.