Peel the zucchini and slice it diagonally. Crush the garlic cloves slightly.

Heat a pan with a little oil and sauté the garlic until golden. Crack the eggs into the pan and scramble until cooked. Add the zucchini and season with oyster sauce, soy sauce, and sugar. Stir-fry everything together, adding a little water if needed, as the zucchini will release water. Cook until the zucchini is soft and tender. Taste and adjust seasoning if needed. Serve immediately.