3 oranges, thinly sliced
4 lemons, thinly sliced
4 limes, thinly sliced
1 1/2 cups white sugar
1/2 cup tequila
2 trays ice cubes, or as needed
1 (750 milliliter) bottle dry white wine
1 (750 milliliter) bottle champagne
2 cups club soda
Put orange slices, lemon slices, and lime slices in a large punch bowl. Pour sugar over the fruit; add tequila and mix gently with a wooden spoon. Let soak 6 hours to overnight.
Put plenty of ice in the punch bowl. Pour white wine, champagne, and club soda over the ice. Stir and serve immediately.