The opponent board randomly disappeared on level 6 and didn't come back on the next levels. I then easily got to level 9 or 10, where the ball wants to curve to

The opponent board randomly disappeared on level 6 and didn't come back on the next levels. I then easily got to level 9 or 10, where the ball wants to curve to the lower right immediately, and the ball keeps travelling right through my board resulting in instant losses.