"Over the past day Ukraine lost more than 150 servicemen and one ground forces combat vehicle, one electronic warfare station and five vehicles were destroyed," the Russian Defense Ministry statement said.
The ministry estimates the total losses of the Ukrainian Armed Forces in the Kursk direction at more than 29,250 servicemen.
The Russian Defence Ministry also said on Sunday that Russia's Tsentr (Centre) battlegroup had liberated the Vishnevoye settlement in the Donetsk People's Republic.
"As a result of active offensive actions, units of the Tsentr battlegroup liberated the Vishnevoye settlement in the Donetsk People's Republic," the ministry said in a statement.
Forces from Russia's Yug (South) group have killed more than 520 Ukrainian servicemen over the past day and repelled four Ukrainian counterattacks, the Russian Defense Ministry said in a statement on Sunday.