Ballybristol Farm’s Andi’amu turned back spirited late challenges from All for Us and Jamarjo to win Monmouth Park’s featured steeplechase race, a $35,000 Ratings Handicap, by a head on Friday. Ridden by Jack Doyle, 5.40-to-1 Andi’amu was always in a contending position in the 2 1/4-mile hurdle and moved to the fore before the final fence. The French-bred opened 1 1/2 lengths inside the sixteenth pole, but Irv Naylor’s Jamarjo, ridden by Paddy Young, cut into advantage.