The giant structure took only a few moments to close, allowing Rafael Nadal and Andreas Seppi to resume their second round match beneath it.
"Play was suspended at 10:38pm (0238GMT) and play resumed at 10:46 (0246GMT) – total suspension of play was 7 minutes and 22 seconds," said a statement by the US Tennis Association (USTA).
"The roof closed in 5 minutes and 35 seconds. The closing occurred prior to Nadal serving at 3-3 in the second set. Nadal won the first set 6-0.
"Rafael Nadal has the distinction of hitting the first practice and match ball under a closed roof in Arthur Ashe Stadium."
