The MacRobertson International Croquet Shield is the premier croquet team event in the world. It is currently competed for by Australia, England, New Zealand and the United States. It is known affectionately as the MacRob or just the Mac.
The series is now played in rotation between the competing countries every three or four years.
The most recent series was held in 2022 in Australia; it was won by England.
The next series will be held in 2026 in England.