Aug 30 (Reuters) - Order of play on the main show courts on the second day of the U.S. Open on Tuesday (play starts at 1500 GMT/11 AM ET unless stated, prefix number denotes seeding): Arthur Ashe Stadium (1600 GMT/12 PM ET) 4-Alexander Zverev (Germany) v Sam Querrey (U.S.) 1-Ash Barty (Australia) v Vera Zvonareva (Russia) 1-Novak Djokovic (Serbia) v Holger Vitus Nodskov Rune (Denmark) Viktorija Golubic (Switzerland) v 6-Bianca Andreescu (Canada) Louis Armstrong Stadium 4-Karolina Pliskova (Czech Republic) v Catherine McNally (U.S.) 11-Belinda Bencic (Switzerland) v Arantxa Rus (Netherlands) Federico Delbonis (Argentina) v 7-Denis Shapovalov (Canada) Alison Riske (U.S.) v 14-Anastasia Pavlyuchenkova (Russia) Taylor Fritz (U.S.) v 14-Alex de Minaur (Australia)