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. Last Updated: 07/27/2016

Russian Fighters Suffer First Setback at Worlds

CHICAGO -- Defending light flyweight champion Zou Shiming, a bronze medalist at the Athens Olympics, routed David Airapetyan of Russia 23-6 Wednesday to reach the quarterfinal of the World Boxing.

Championships -- earning a spot in the Beijing Olympics in the process.

It marked Russia's first loss in over a week of competition that had seen its boxers build a 22-0 record.

"He was good, outstanding. I was better," Zou said through a translator.

Russia's Alexei Tishchenko, the reigning Olympic featherweight champ, rolled to a quarterfinal victory over Husnu Kocabas of the Netherlands in the lightweight division and will be chasing another gold medal in Beijing.

With Tishchenko ahead 25-5, the referee stopped the lopsided contest in the third round. Tishchenko will meet Pichai Sayota of Thailand, who advanced with a 21-13 victory over Mongolia's Uranchimeg Munkh-Erdene.

Two Americans also advanced to the quarterfinals: Light flyweight Luis Yanez beat Stephen Sutherland of Australia with the referee stopping the contest in the second round, while Rau'shee Warren beat Violito Payla of the Philippines 25-11 in the flyweight division.

The top eight finishers in the light flyweight to light heavyweight divisions and the top four from the heavyweight and super heavyweight classes qualify for the Olympics. Two continental qualifiers early next year will provide further opportunities to compete in Beijing.

Earlier, officials announced that heavyweight Ihab Al Matbouli of Jordan, who collapsed in the ring from fatigue during one of the final bouts Tuesday night, had rejoined his team after being cleared by tests carried out at Chicago hospital.