In the most heated bout of the night at the Štark Arena, Gonzales came from behind to defeat the Serbian by a 3-2 split decision, ending a match full of fantastic flying punches and offensive tactics.

He takes on Belarus boxer Aliaksei Alfiorau, who claimed a 4-1 split victory over the Russian Boxing Federation's (RBF) Savelii Sadoma.

Temirtas Zhussupov gave Kazakhstan its first finalist by winning the opening bout in the under-48kg category by unanimous decision against Belarus' Yauheni Karmilchyk.

Another 5-0 victory followed for Wuttichai Yurachai of the Thailand Boxing Federation (TBF), who was a clear victor against Georgia's Sakhil Alakhverdovi.

A second Kazakh made a final shortly after, when under-54kg fighter Makhmud Sabyrkhan was the unanimous winner against Akash Kumar, who finished as India's only medallist.

Kumar's mother died just before the National Championships and he has used her passing as inspiration at the tournament.

Sabyrkhan next touches gloves against Japan's Tomoya Tsuboi, who put in another strong performance to defeat Frenchman Billal Bennama 4-1 in a split decision.

It was not all woe for France, as Sofiane Oumiha progressed to the under-60kg final with a 4-1 split decision win over Dominican Republic's Alexy de la Cruz Baez.

He next takes on Abdumalik Khalokov of Uzbekistan, who was awarded a walkover as Iranian Daniyal Shahbakhsh had to forfeit due to injury.

Lasha Guruli of Georgia had to forfeit his under-67kg bout too, giving the United States' Omari Jones a bye to the final, where he will face Sewon Okazawa of Japan, whose agile tactics were largely nullified against Kazakhstan's Ablaikhan Zhussupov but still eked out a 4-1 win.

Yoenlis Hernandez was dominant in his under-75kg bout, winning all judges' scores against Italian Salvatore Cavallaro.

The RBF's Dzhambulat Bizhamov awaits after he eliminated the TBF's Weerapon Jongjoho by referee's stoppage after knocking his opponent down twice.

Keno Machado of Brazil stopped the run of Victor Schelstraete of Belgium in the under-85kg semi-finals, winning by unanimous decision, while Loren Alfonso Dominguez of Azerbaijan defeated Herich Ruiz Cordoba of Cuba in the other bout.

A second Azeri finalist would not be realised as Davit Chaloyan of Armenia defeated regional rival Mahammad Abdullayev unanimously.

Chaloyan takes on the RBF's Mark Petrovskii in the over-92kg final, who survived a late knock down by Trinidad and Tobago's Nigel Paul to take a 4-1 victory.

American boxer Roscoe Hill is into the final of the under-51kg following a convincing unanimous decision victory over the RBF's Akhtem Zakirov.

He now faces Saken Bibossinov of Kazakhstan for the gold.

Bibossinov, a world and Olympic medallist, defeated the TBF's Thanarat Saengphet in a 4-1 split decision.

Jahmal Harvey made it another American in a final following his under-57kg victory over Frenchman Samuel Kistohurry.

His last opponent will be Serik Temirzhanov of Kazakhstan who secured his spot with two fantastic rounds against Cuban Osvel Caballero, before playing it safe in the third to claim a 3-2 split.

Kerem Oezmen of Turkey progressed to the under-63.5kg final by packing two strong punches against Scotland's Reese Lynch to take the referee to a count, eventually winning the bout.

Lynch jabbed the Turkish boxer for a count too, but ultimately had the match lost when Oezmen's landed.

Cuban Andy Cruz Gomez meets the Turk in the final following a clear win against Hovhannes Bachkov of Armenia.

Two easy wins came in the under-71kg semi-finals - the first being the RBF's Vadim Musaev conquering Alban Beqiri of Albania unanimously, with the loser claiming his country's first world medal.

He meets Yurii Zakharieiev of Ukraine in the final, who was similarly dominant over Sarkhan Aliyev of Azerbaijan in his last two rounds. 

In the last semi-finals of the night, Cuba's Julio La Cruz and Aziz Abbes Mouhiidine of Italy were victorious and will now meet in the under-92kg final.

La Cruz was a unanimous victor against Madiyar Saydrakhimov of Uzbekistan, while Mouhiidine defeated Enmanuel Reyes Pla of Spain in a 4-1 split decision.

Seven finals are scheduled to take place tomorrow, followed by six finals on Saturday (November 6).