Tuesday’s featured matches at the U.S. Open

Seedings in parentheses; all times PDT

ARTHUR ASHE STADIUM

Beginning at 8 a.m.

Andy Murray (4) vs. Donald Young; Rafael Nadal (2) vs. Gilles Muller.

Beginning at 4 p.m.

David Ferrer (5) vs. Andy Roddick (21)

LOUIS ARMSTRONG STADIUM

Beginning at 8 a.m.

Gilles Simon (12) vs. John Isner (28); Flavia Pennetta (26) vs. Angelique Kerber; Vera Zvonareva (2) vs. Samantha Stosur (9).