BADMINTON—TAN AIK HUANG, a 19-year-old Malaysian who won the Canadian Open last month, took the men's singles title at the U.S. Open amateur championships in New Britain, Conn. when he defeated his countryman Yew Cheng Hoe 15-5, 15-1. Winner of the women's title was top-seeded Mrs. Judy Hashman, a former resident of Baltimore now living in England, who defeated Toronto's Sharon Whittaker 11-6, 11-0.
BASKETBALL—NBA: BOSTON boosted its lead over Philadelphia in the Eastern Division finals to 3-1 by beating the 76ers 114-108 in overtime as John Havlicek and Sam Jones totaled 49 points. Earlier in the week the Celtics crushed the 76ers 114-93 before losing the third game 111-105. LOS ANGELES led ST. LOUIS 3-2 in the Western Division finals as the Hawks won two games—120-113 and 112-100—and the Lakers one, 107-95.
BOATING—Stormvogel, a 73-foot, Dutch-owned ketch, crossed the finish line first, but WEST WIND II, a 39-foot sloop owned and skippered by David Westerhout of Hong Kong, took overall honors in the Hong Kong-Manila China Sea race (page 46).
BOXING—Los Angeles Heavyweight JERRY QUARRY won his 16th of 18 professional fights and remained undefeated—he had two draws—when he knocked out George (Scrap Iron) Johnson of Oklahoma City in 2:40 of the second round of a scheduled 10-rounder in Los Angeles.
In another 10-round heavyweight bout JOE FRAZIER, the 1964 Olympic champion, won his seventh straight professional match by scoring a TKO over Charlie Polite of Springfield, Mass. in 55 seconds of the second round, in Philadelphia. Polite was hospitalized with a fractured jaw.
World lightweight titleholder CARLOS ORTIZ of New York was held to a draw by NICOLINO LOCHE, the Argentine and South American champion, in a 10-round nontitle bout in Buenos Aires.
GOLF—JACK NICKLAUS shot a two-under-par 70 to beat Tommy Jacobs by two strokes and Gay Brewer Jr. by eight in an 18-hole playoff to gain his third Masters title (page 36).
HOCKEY—NHL: League champion MONTREAL swept to a 2-0 lead over third-place Toronto in the semifinal Stanley Cup playoffs with a 4-3 victory on Jean Beliveau's goal with two minutes to play and Gump Worsley's 2-0 shutout. In the other semifinal, CHICAGO, the second-place finisher, won the opener over the Red Wings 2-1 as Bobby Hull and Ken Wharram scored in the first period, but fourth-place DETROIT came back to shut out the Black Hawks 7-0 in the second game for a 1-1 series tie.
HORSE RACING—John Galbreath's 3-year-old GRAUSTARK, with Braulio Baeza up, made his first appearance since injuring his left hind hoof two months ago and scored a four-length victory over Duc d'Eclair in a six-furlong, no-betting allowance race at Keeneland (page 107). A little later MOCCASIN, Claiborne Farm's undefeated 2-year-old filly champion last year, finished fourth in a six-furlong race. At Aqueduct, Ethel Jacobs' 3-year-old filly, Priceless Gem, won the six-furlong Prioress Stakes by six lengths but was placed last when stewards ruled that early in the race she had bumped MY BOSS LADY ($18.80), who was moved from second to first.
SWIMMING—MIKE BURTON, a freshman at UCLA, set an American mark as he won the 1,650-yard freestyle in 16:27.3, defeating Southern California's Roy Saari, the holder of the old record (16:39.9), by 23 yards at the AAU indoor championships in Brandon, Fla. Saari lost another race and another record when GREG BUCKINGHAM of the Santa Clara ( Calif.) Swim Club beat him by five feel to win the 500-yard freestyle in 4:41.1, clipping 2.5 seconds off Saari's American mark. Yale's Olympic champion, DON SCHOLLANDER, won the 200-yard freestyle—which he calls "my baby"—for the third year in a row but failed to qualify for the 500 and lost the 100 to STEVE RERYCH of the North Carolina Aquatic Club. CHUCK KNOOR of Ohio State was the meet's only double winner with victories in the one-meter and platform diving. SOUTHERN CALIFORNIA took the team championship for the third straight year and the eighth time in nine years.