Nadal vs Schwartzman: Why is match suspended and delayed? What time is it on?

RAFAEL Nadal was due to play Argentine Diego Schwartzman yesterday in the French Open quarter finals at Roland Garros. The much anticipated quarter finals playoff match was suspended, so when will it resume?

from Daily Express :: Tennis Feed https://www.express.co.uk/sport/tennis/970767/rafael-nadal-diego-schwartzman-time-delayed-french-open-quarter-final
via Express