To effectively counter an opponent with a strong backhand loop, I would employ a strategy that focuses on minimizing their opportunity to execute their powerful shot. This could involve varying the spin and placement of my serves and rallies to make their backhand less comfortable to attack. Specifically, I would aim to target their forehand side early in the rally to draw them away from their favored backhand position, forcing them to adjust and potentially weaken their loop. Additionally, I would employ short, low balls to disrupt their rhythm and keep them off balance, and occasionally mix in deep, fast balls to the backhand side to challenge their timing. Maintaining a tight, unpredictable game plan will be essential to reduce their ability to rely on their backhand strength.