Cook the pasta according to the package directions.
Meanwhile, heat the oil in a large saucepan over medium heat. Add the garlic and cook for 1 minute.
Add the tomatoes, sugar, 1 teaspoon salt, and ⅛ teaspoon pepper. Bring to a boil.
Reduce heat and simmer until slightly thickened, about 15 minutes.
Add the pasta to the sauce, toss, and divide among bowls.