It follows medical advice from experts in Wisconsin.
The Ryder Cup has been suspended for a year.
Padraig Harrington was due to captain Europe in their defence of the trophy against the US at Whistling Straits in September.
The postponement follows advice from medical experts and the public authorities in Wisconsin.
The competition will be held instead in September of 2021.
Its suspension means Adare Manor’s hosting of the tournament has been pushed back a year to 2027.
The 2020 Ryder Cup has been postponed.
— Ryder Cup (@rydercup) July 8, 2020
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