HORSE RACING—MUNCH: $61,150 Atlantic City H., 1[3/16] m., by 3� lengths, in 1:57, Atlantic City. Howard Grant up.
MARK ANTONY: $7,500 Manchester H., by 5 lengths, in world record 1:39[1/5] for 1 m., 70 yds., Rockingham. Henry Wajda up.
HORSE SHOW—DREAM WALTZ, owned and ridden by Judy Marks, Amateur Champion, Illinois State Fair, Springfield.
HURLING—TIPPERARY, over Galway, 4 goals, 9 pts. to 2 goals, 4 pts., Dublin.
INTERNATIONAL MOTOR SPORTS—FRED LORENZEN, Elmhurst, N.Y., US AC 300-miler, in 3:21:09, with 89.24-mph average, in 1957 Ford, Trenton, N.J.
POLO—DALLAS AC, over Solocup of Chicago, 7-5, U.S. Open title, Hinsdale, Ill.
ROQUE—BOBBY ARNOLD, Los Angeles, over Charley Vulagmott, 32-1, Natl. title, Dallas.
SOFTBALL—STRATFORD, CONN., over Fresno, Calif., 1-0 for women's world title, Stratford.
Detroit, over Cleveland Sheffields, 7-4, Amateur Softball Assn. slow-pitch open title, Cleveland.
TENNIS—VIC SEIXAS, Philadelphia, over Ulf Schmidt, 13-11, 6-2, Westchester Bowl, Rye, N.Y.