Russia led the way with three gold medals on day one of the International Sambo Federation President's Cup in South Korean city Donghae.
Uzbekistan also enjoyed a good day at the Municipal Arena, clinching two titles.
Nikolai Kovtun won Russian gold in the men's 68 kilograms combat sambo class.
He defeated Tajikistan's Shakhrom Sheralov in the final.
Bronze medals were shared by another Tajikistan competitor in Alijon Husainov and South Korea's home hope Jinsuk Jung.
Two further golds arrived for Russia in the women's competition.
Luliia Vitsina won in the 56kg division after beating team-mate Anastasiia Terehova in the final.
Anastasiia Andrievskaa won another Russian medal as she shared the bronzes with Chia-yi Lee of Chinese Taipei.
In the women's 64kg class, Daria Veredenko led another Russian 1-2.
She ousted compatriot Ekaterina Khegai in the gold medal contest.
South Korea won another home bronze, thanks to Seojung Kang, with Romania's Codrina Ionescu also making the podium.
Miranshokh clinched men's 62kg gold for Uzbekistan to win the first of their golds.
Vladislav Kim of Russia was defeated in the final as another Uzbek, Otabek Olimov, shared bronze with Taisei Higashi of Japan.
The second gold for Uzbekistan arrived courtesy of Farrukh Jumaev in the men's 82kg category.
Danil Portiniagin was beaten in the final and won silver, as bronzes went to both Uzbekistan and South Korea.
Bekhruzjon Jabborov made the podium for the former with the host's Kyusang Yu winning a medal in front of his home fans.
Tajikistan were the only other country to win gold today.
Razavi Navbakhov defeated Mongolia's Munkhbat Bayarsaikhan in the final, with bronzes going to Denis Voitov of Russia and Kazakhstan's Kaiyrberdi Aidynbay.
Around 200 athletes from 12 countries are competing in South Korea in all.
The tournament will run until September 4.