A Roundup of the Week Aug. 20-26

BASEBALL—Sun Chao-Chi pitched a two-hitter and struck out 16 as TAIPEI, TAIWAN, defeated Shippensburg, Pa., 9-0 to win the Little League World Series, in Williamsport, Pa. The title was Taiwan's 14th in 17 appearances (page 24).

BOATING—CHIP HANAUER, driving Miss Circus Circus, beat Tom D'Eath, in Miss Budweiser, by 200 yards to win an HFC Unlimited Hydroplane event and $35,000 in Milwaukee. .

BOWLING—ROWDY MORROW and DAVE SOUTAR beat Jimmy Certain and Doug Kent 234-216 to win a PBA doubles tournament and $28,000 in Buffalo.

EQUESTRIAN—DALE HARVEY, riding Pik Trump, had two penalty-free rounds and a jump-off time of 31.81 to defeat Rob Gage, aboard Dutch Chocolate, by .35 of a second and win $9,000 and a Grandprix event in Los Angeles.

GOLF—JOSE-MARIA OLAZABAL scored an 18-under-par 262 to defeat Lanny Wadkins by 12 strokes and win $198,000 and the World Series of Golf, in Akron. Olazàbal's margin of victory was the largest in 15 years on the American pro tour.

Mark McNulty shot a final-round seven-under-par 65 to beat Craig Parry by three strokes and win his third German Open, in Düsseldorf. McNulty had an 18-under-par 270 for the tournament and earned $150,000.

Peter Persons fired a tournament-record 20-under-par 260 to defeat Richard Zokol by two strokes and win a PGA Tour event in Chattanooga. Persons, who broke Brad Faxon's 1986 mark by one stroke, collected $108,000, more than doubling his earnings this year.

Phil Mickelson won the U.S. Amateur Championship, in Denver (page 25).

George Archer shot an 11-under-par 205 over 54 holes to beat Bruce Crampton by two strokes and win a Senior PGA Tour event in Kenmore, Wash. The victory was worth $52,500.

Beth Daniel shot a final-round four-under-par 68 to beat Penny Hammel and Chris Johnson by six strokes and win an LPGA tournament in Brooklyn Park, Minn, Daniel, who had a 13-under-par 203 over 54 holes, earned $56,250. The victory was her third in six weeks.

HARNESS RACING—JAKE AND ELWOOD ($4.20), driven by John Campbell, took the lead just before the half-mile mark and held on to defeat Road Machine by 2½ lengths and win the Cane Pace, the first leg of the Triple Crown for pacers, at Yonkers Raceway. The 3-year-old bay colt covered the mile in 1:55⅕ earning $97,310.

HORSE RACING—MISERDEN ($68), ridden by David Flores, took the lead down the homestretch to beat Notorious Pleasure by a half length and win the Cabrillo Handicap, at Del Mar. The 4-year-old colt ran the 1‚Äö√Ñ√∂‚àö√±‚àö¬µ miles in 1:48 and earned $187,300.

Beau Genius ($6.40), Ricardo Lopez up, rallied to defeat Tricky Creek by a nose and win the Philip Iselin Handicap, at Monmouth Park. The 5-year-old horse covered the 1‚Öõ miles in 1:48[1/5] and earned $150,000.

Deposit Ticket ($4.60), with Gary Stevens in the saddle, cruised to a 4½-length victory over Fighting Affair in the Hopeful Stakes, at Saratoga. The 2-year-old colt ran the 6½ furlongs in 1:16[1/5] and earned $139,680.

Who's To Pay ($4.40), under Jerry Bailey, finished strongly on the turf track to beat Jalaajel by a neck and win the Saratoga Breeders' Cup. The 4-year-old gelding covered the 1[1/16] miles in 1:46 and earned $93,570.

Lay Down ($11.20), ridden by Chris Antley, held off Quick Call by a nose to win the Forego Handicap, at Saratoga. The 6-year-old son of Spectacular Bid ran the seven furlongs in 1:22[4/5] and earned $51,840.

Black Tie Affair ($2.60), Jorge Velasquez up, beat Bio by 3½ lengths to win the Equipoise Mile, at Arlington International Racecourse. The 4-year-old colt finished in 1:36 and took home $47,825.

MOTOR SPORTS—ERNIE IRVAN, driving a Chevrolet Lumina, defeated Rusty Wallace, in a Pontiac Grand Prix, by .21 of a second to win a NASCAR event at Bristol International Raceway. Irvan averaged 91.782 mph over the 500 laps of the .533-mile oval and earned $49,600. It was Irvan's first Winston Cup victory.

Ayrton Senna, driving a McLaren-Honda, led from start to finish to beat Alain Prost, in a Ferrari, by 3.55 seconds and win his third consecutive Belgian Grand Prix. Senna averaged 131.562 mph over the 44 laps of the 4.312-mile track and took home $137,866.

Al Unser Jr., behind the wheel of a Lola-Chevrolet, defeated Danny Sullivan, in a Penske 90 Chevrolet, by 28 seconds to win the Denver Grand Prix. Unser, who averaged 71.24 mph over the 80 laps of the 1.9-mile, 16-turn street circuit, collected $123,866. The victory was Unser's third in as many weeks.

SHOOTING—BRUCE SHAW won three of four events at the National Hunter's Pistol Championships, in Bradford, Pa. PHIL ROESSEL shot a 111 (out of 120) to edge Wes Ninemire by one point for the overall title, but Shaw shot a 114 to defeat Roessel by five points in the smallbore category and a 96 to beat Roessel by seven points for the Smallbore Open Sight crown. In the Open Sight championship, Shaw outshot Dennis Van Tassel 98 to 94.

TENNIS—STEFAN EDBERG defeated Goran Ivanisevic 7-6, 6-3 to win a U.S. Open prep tournament and $32,800 in Commack, N.Y.

Ivan Lendl beat Aaron Krickstein 6-4, 6-7, 6-3 to win his fourth WCT Tournament of Champions, in Forest Hills, N.Y. The victory was worth $100,000.

Guillermo Perez-Roldan defeated Omar Camporese 6-3, 6-3 to win a clay-court tournament in San Marino, Italy, and $18,000.

Ramesh Krishnan beat Kelly Evernden 6-1, 6-1 to win a hard-court event and $18,300, in Schenectady, N.Y. ANKE HUBER outdueled Marianne Werdel 6-1, 5-7, 6-4 to win $13,500 and the women's title.

MILEPOSTS—SANCTION LEVIED: By the United States Olympic Committee, against vice-president GEORGE STEINBRENNER, 60, shifting his status to "inactive."

SUSPENDED: By the National League, for one game, Los Angeles Dodger catcher RICK DEMPSEY, 40, for fighting in a game with the Philadelphia Phillies on Aug. 20. He was also fined $1,000.

By the American League, for three games, Texas Rangers third baseman STEVE BUECHELE, 28, for his part in a brawl with the Chicago White Sox on Aug. 17.

By the NFL, for five weeks, Miami Dolphin nosetackle BRIAN SOCHIA, 29, for testing positive for steroids. Sochia is the fourth player to be suspended this preseason for violating the league's drug policy.

DIED: CHRIS SILVA, 29, the first black swimmer to compete in the U.S. Olympic Trials (1984 and '88); of injuries suffered in a car accident; in Fort Lauderdale.