1. Combine 2 tablespoons water and egg in a shallow dish, stirring well. Combine panko and cheese in a shallow dish, stirring well with a fork. Dip each ravioli in egg mixture; dredge in panko mixture.
2. Heat a large skillet over medium-high heat. Add 1 1/2 tablespoons oil to pan; swirl to coat. Add half of ravioli to pan in a single layer; sauté 1 minute on each side or until golden. Remove ravioli from pan using a slotted spoon; drain on paper towels. Keep warm. Repeat procedure with remaining 1 1/2 tablespoons oil and ravioli. Wipe skillet with paper towels.
3. Add tomatoes, salt, and pepper to pan; sauté 2 minutes, stirring frequently. Add garlic to pan; sauté 30 seconds, stirring constantly. Divide ravioli evenly among 4 plates; top each serving with 1/2 cup tomato sauce.