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Czech Republic's Lukas Krpalek celebrates after winning the gold medal against Cuba's Jose Armenteros during the -100 kg category competition at the World Judo Championships on in Chelyabinsk,on August 30, 2014. AFP PHOTO / VASILY MAXIMOV        (Photo credit should read VASILY MAXIMOV/AFP/Getty Images)
Czech Republic's Lukas Krpalek celebrates after winning the gold medal against Cuba's Jose Armenteros during the -100 kg category competition at the World Judo Championships on in Chelyabinsk,on August 30, 2014. AFP PHOTO / VASILY MAXIMOV        (Photo credit should read VASILY MAXIMOV/AFP/Getty Images)

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Lukas Krpalek: The Czech contender to Riner

The Czech Republic's first ever judo Olympic champion has stepped up a weight category to take down a man who hasn't lost for approaching a decade.

Lukas Krpalek: The Czech contender to Riner

The Czech Republic's first ever judo Olympic champion has stepped up a weight category to take down a man who hasn't lost for approaching a decade.