Q: Does the shape of a table make a difference when selecting a tablecloth? A: An oblong is a rectangle having length greater than width. An oval also has length greater than width, but it has continuous curved sides. A rectangle, a rounded rectangle, and a racetrack are all oblong and use an oblong tablecloth. You may use an oblong tablecloth on an oval shaped table. Percy’s Fine Linens stocks tablecloths in various shapes and sizes in several table linen styles.