Duke of Sutherland
- Place: West Sussex, UK.
- Club: Cowdray Park Polo Club
- Date Start: May 19, 2021
- Date Finish: June 6, 2021
- Level: 18hcp
- WPT Category Ranking: WPT Challenge Cup
- Winner Points: 50
- Finalist Points: 25
- Semis Points: 10
- Rest of Players Points: 5