What was the largest tank battle in the history of warfare?

AstronomicalNight1, Russians won

For more information z The Battle of Kursk was the largest tank battle in history, involving some 6,000 tanks, 2,000,000 troops, and 4,000 aircraft. It marked the decisive end of the German offensive capability on the Eastern Front and cleared the way for the great Soviet offensives of 1944–45. This was part of Operation Barbarossa which was partly failed. Nazi Germany managed to conquer European countries under Soviet rule but Russian winter made them lose and then they lost after the final attempt with the Battle of Kursk

fought shortly after the Germans retreat from Stalingrad....a pincer move was attempted by the German armor,but the soviets saw it coming and drew the Germans into a trap...big loss for Germany

Who won?