Can you still unlock packs if you beat the person more than 3 times in Yu-Gi-Oh 5D's World Championship 2010 Reverse of Arcadia?

In Yu-Gi-Oh 5D's World Championship 2010: Reverse of Arcadia, you can still unlock packs even if you defeat a duelist more than three times. The game allows you to continue facing opponents to earn additional rewards, including card packs. However, after three consecutive wins against the same opponent, the rate of pack unlocking may decrease. It's beneficial to vary your opponents for optimal pack acquisition.