63rd U.S. SENIOR AMATEUR CHAMPIONSHIP ? Match Play Results Round -- (Quarterfinal) Sean Knapp, Oakmont, Pa. (147) def. David Nocar, Millersville, Md. (146), 2 and 1 Dave Ryan, Taylorville, Ill. (142) def. Ken Lee, Franklin, Tenn. (146), 2 and 1 Paul Simson, Raleigh, N.C. (143) def. Matt Sughrue, Arlington, Va. (140), 5 and 4 Frank Vana, Boxford, Mass. (149) def. John Pierce, San Antonio, Texas (148), 21 holes