All Champions League and Europa League matches have been suspended "until further notice" by Uefa because of the global coronavirus pandemic, reports BBC Sport.
All national team games in June have also been postponed, including play-off matches for Euro 2020 - already postponed to 2021 - and qualifying matches for the Women's Euro 2021.
The European governing body's 55 member associations met on Wednesday.
The Premier League is suspended until at least 30 April.
The finals of the Champions League, Europa League and Women's Champions League, all of which were scheduled for May, had already been postponed.