Over the given period, the Russian forces have repelled seven attacks and counterattacks near Avdeyevka, the MoD said in a statement.
"Enemy losses amounted to up to 380 military personnel, two armored fighting vehicles, including a US-made M113 armored personnel carrier and four combat vehicles [in the Donetsk area]," the ministry specified.
Ukraine also lost up to 295 soldiers around Avdeyevka and over 130 soldiers south of Donetsk, the ministry added.
In the course of the ongoing military operation, Russian troops managed to improve their frontline positions in the Donetsk area, and to take up better strategic ground in the Avdeyevka region, the MoD also noted.
Over the same period, Russian air defenses shot down a Ukrainian Mi-8 military helicopter and 143 drones.
Ukraine's Loses Around Russia's Belgorod
Russia has prevented the attempts of Ukrainian sabotage and reconnaissance groups to infiltrate Russia's Belgorod Region, where Kiev lost up to 150 soldiers in combat, the MoD added.
"The enemy lost up to 150 soldiers and militants [both] killed and wounded, two tanks, three vehicles, as well as a Czech-made Vampire multiple launch rocket system (MLRS)," the ministry said.
Russian forces thwarted all Ukrainian attempts to break into the Russian lands near the settlement of Kozinka in the Belgorod Region, the ministry noted.