Seventh seed Nicolas Almagro and eighth seed Marcel Granollers were among those who had been due to be in action in first-round matches.
However, an hour before the evening session was due to begin organisers announced no matches would take place until Tuesday at the earliest due to the weather.
ATP Tel Aviv
Djokovic battles past 'best friend' Pospisil in Tel Aviv Open quarter-finals
Highlights: Djokovic into Tel Aviv Open semis after straight sets win over Pospisil
Alcaraz and Nadal make history with Spaniards set to take top two ranking spots
Share this article