The MJBC has a 4-0 mark going into its match with the Greenies at 9:30 a.m. in the tournament sponsored by the Philippine Charity Sweepstakes Office and the Philippine Amusements and Gaming Corp.
A win gives the Japanese an unbeatable mark of five wins in the six-team Pony Division (13-14 years), but a loss will enable La Salle Greenhills, which has two straight wins, a chance to gain the lead.
The MJBC ended its elimination round in the Bronco Division (11-12) before the Christmas break with a front-running 4-1 mark and is also leading Woodrose School, 2-1, in the Girls Grade School (13-under).
Defending champion Southridge has a firm grip on the Pinto division (7-8 years) with a 3-0 record while La Salle Lipa, with a 2-0 record, holds a slim lead over defending champion La Salle Greenhills (1-1) and runner-up Southridge (2-10) in the High School Division.
Meanwhile, Woodrose School and La Salle Zobel, both 2-1, clash for the right to meet frontrunning La Salle Lipa (3-1) in the Girls High School Division where only three teams are competing.