New York, March 31 - (AP)

A basketball game which will determine the unofficial "champion of champions," at least as far as two tournaments are concerned, will be played at Madison Square Garden tomorrow night, and there will be one sure winner - charity.

The game matches the Wyoming Cowboys, national collegiate A.A. champions, and St. John's, winner of the National Invitation Tournament at the Garden, and it is half of a double header to be played for the benefit of the American Red Cross.

The other game brings together the runnerup in the two tournaments - Georgetown, N.C.A.A. losing finalist, and Toledo, defeated by St. John's in the finals of the invitation event.

Aside from the unofficial championship and charity angles, the Wyoming-St. John's game has the lure of outstanding individual performers matching skill. The duel between Harry Boykoff, St. John's six-foot nine-inch center, and Milo Komenich, Wyoming's six-foot seven-inch pivot man, looms of particular interest although it was Sailors who stole the show in Wyoming's victory last night.

Exclusive of post-season play, Wyoming's record was twenty-three victories against one defeat, that at the hands of Duquesne. The Cowboys averaged 60 points a game. They defeated Oklahoma and Texas in the Western N.C.A.A. regionals at Kansas City, and last night won the national crown by defeating Georgetown, 46 to 34.

The Garden is scaled for a $26,000 house tomorrow night, all proceeds going to the Red Cross.