Prince Harry will attend the Rugby World Cup final between England and South Africa, Buckingham Palace has said.
The Duke of Sussex will visit Japan for the game on Saturday.
It is not known if Meghan, the Duchess of Sussex, will join him.
As the Patron of the Rugby Football Union, Prince Harry is a keen sports fan and enjoys watching rugby.
He has attended a number of Six Nation and international matches at Twickenham, the England Rugby stadium.
The royal congratulated England for their victory over New Zealand at the weekend.
In pictures - England rugby fans celebrate New Zealand win
On Instagram he said: "Today the England rugby team beat the New Zealand All Blacks to reach the final of the Rugby World Cup 2019 in Japan.
“HRH The Duke of Sussex is patron of the Rugby Football Union @englandrugby and like most rugby fans this morning, was thrilled to be able to witness such an amazing display of sportsmanship between two great teams.”
Following the game, he added: “Wow, what a game of rugby! Another fantastic performance from our boys. Well done lads!
"You are making us all incredibly proud back home - bring on next week!”
England, under the leadership of coach Eddie Jones, will face the Springbok team in Yokohama Stadium, located in the city south of Tokyo.
If successful, they will win the Webb Ellis Trophy for the second time in sporting history.
