Ukraine won eight gold medals on day one of the IMMAF Youth World Championships ©IMMAF

Ukraine sit comfortably at the top of the medal table on the opening day of the International Mixed Martial Arts Federation (IMMAF) Youth World Championships in the Bulgarian capital Sofia with eight titles, following the conclusion of the Youth C competition.

Youth C - the under-14 age category - had 15 medal bouts today.

In the lightest boys' discipline, Ivan Shemeniev defeated Ukrainian compatriot Anton Panasiuk in the under-31-kilogram category, while Bahrain's Saood Salman won bronze.

A second gold medal was won by Dmytro Dotsin in another all-Ukrainian final with Yehor Tarasenko in the boys' under-40kg.

Tajikistan's Ismoil Zainiddinov and Romanian Edwin Petrea were the bronze medallists.

Oleksii Bolbochan added a third in the boys' under-52kg, defeating Russian Afansii Noskov in the final, while Miroslav Mlyncek of Slovakia and Gevorg Ambartsumian of Russia claimed bronze.

Ivan Berdysh made it a fourth Ukrainian gold in the boys' Youth C in the under-100kg final, defeating team mate Anton Burian.

Irish fighter Ben Harding and Russian Saveliy Ivashkin won bronze medals respectively.

Abina Demidova defeated compatriot Tetiana Khanenko in the girls' under-34kg final, while a sixth gold was won by Ukraine in the girls' under-40kg when Polina Kovyrnova won against compatriot Valentyna Khanenko.

Kira Voliashchenko made it seven with a win over Estonia's Jesenia Steklova in the girls' under-44kg, and Russia's Ekaterina Ericheva and Ukraine's Liubov Karaush were the bronze medallists. 

Ukraine's final gold from day one came in the girls' under-52kg when Kateryna Tsarenko defeated Russia's Tatiana Zheltoukhova, while Tsarenko's team mate Darina Sadich won the bronze.

Russia won five gold medals too, the first coming in the boys' under-34kg when Arseniy Cherniak defeated team mate Makar Zaitsev.

Nikita Romaniuk claimed the bronze medal.

Mikhail Nazarenko won against Denis Purbuev in the boys' under-37kg in an all-Russian final, and Zakhar Filoniuk of Ukraine and Bulgarian Aleksandar Delchev sealed bronze medals.

Maxim Pinigin gave Russia its third boys' title in the under-44kg final with a win over Ukraine's Vladyslav Hadirov.

Daniil Besarab of Ukraine and American Adam Troy Malonado Jr won bronze.

A fourth was won by Adam Omarov against compatriot Aleksandr Tyatov in the boys' under-57kg, and they were joined on the podium by bronze medallists Yurii Tykhonov of Ukraine and the United States' Sebastian Olivencia-Grafals.

Karolina Gorodilova of Russia won in the heaviest girls' category - the under-57kg - with a victory over Ukraine's Eva Byzhenko in the final.

Finally, the US claimed two gold medals - first in the boys' under-48kg thanks to Elijah Nehme who beat Illia Konko of Ukraine.

Nehme's team mate Uriel Cruz and Konko's compatriot Dmytro Lysiuk were third.

Lastly, Lariah Gill won the girls' under-48kg final against Kristina Morozova of Russia, and Ireland's Olivia Babiarz and Sofiia Filimonova of Ukraine won the bronze medals.