Olympic super heavyweight champion Roberto Cammarelle defended his world title by beating Ukraine’s Roman Kapitonenko 10-5 at the Milan Forum.

The 29-year-old Italian started tentatively and finished the first round level with the Ukrainian at 2-2. But he improved his performance in the second to take an 8-4 lead, with Kapitonenko having to take two standing counts following a pair of powerful left-hand punches.

“I’m happy because I prepared well and I didn’t expect it to go as well as it did,” Cammarelle said. “My experience helped and having my family and friends nearby helped me, especially in the final.

“I knew it would be a good match and I knew he would be a great opponent. Physically he is strong and I knew he would put in hard shots at the start, meaning I had to make sure I didn’t drop my guard.”

Domenico Valentino also won a gold medal for Italy, when he outclassed Puerto Rico’s Jose Pedraze 9-4 to take the lightweight title.

The fight began slowly before Valentino rallied from a two-point deficit to take a 5-3 lead at the end of the second round. Valentino then comfortably saw out the match to win his third medal in three world championships after a silver in 2007 and bronze in 2005.

“Someone should slap me,” Valentino said, “I still don’t believe it. He was a strong opponent, but I stayed calm and that is the most difficult thing for any potential world champion to control.”

Russia also finished the tournament with two gold medals.

Artur Beterbiev came from behind in the final round to beat Elshod Rasulov from Uzbekistan 13-10 in the light heavyweight final and Egor Mekhontsev beat Cuba’s Osmai Acosta Duarte 12-2 to take the heavyweight title.

The only American boxer to reach a final, Frankie Gomez, struggled to counter Cuban fighter Roniel Iglesias Sotolongo’s longer reach and slipped to an 8-2 loss in the light welterweight category.

“I’m disappointed,” Gomez said. “He has more international experience than me and this is only my second tournament and first open tournament. His extra height wasn’t a difference, only the extra experience he has. I wanted to win the gold, but my coach and the team are happy that I got the silver.”

Olympic featherweight champion Vasyl Lomachenko added the world title to his collection with a comprehensive 12-1 victory against Sergey Vodopiyanov of Russia. The Ukrainian used quick feet and hands to get close to Vodopiyanov and score points, while the Russian couldn’t use his longer reach to break through his opponent’s solid defence.

Olympic silver medallist Serdamba Purevdorj of Mongolia defeated David Ayrapetyan of Russia 10-5 to take the light flyweight gold. However, the other Mongolian in a final, Tugstsogt Nyambayar, lost 18-2 against McWilliams Arroyo of Puerto Rico for the flyweight title.

In the bantamweight, Bulgaria’s Detelin Dalakliev nearly let the gold medal slip away after dominating Eduard Abzalimov of Russia.

Dalakliev had controlled the fight for the first two rounds, but lost his concentration in the final minute and allowed Abzalimov to draw level before landing two shots to win 5-3.

In other bouts, Jack Culcay-Keth from Germany defeated Andrey Zamkovoy of Russia 7-4 to win the welterweight final and Abbos Atoev of Uzbekhistan won the middleweight title by beating Armenia’s Andranik Hakobyan 9-0.

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