Harry's polo match took place a short distance away from the Monecito home he shares with Meghan their two kids.
Meghan was seen watching the match from the sidelines.
The former actress beat the heat in a cool, casual denim outfit.
Harry's team Los Padres lost to their rivals Folded Hills 11-7 in the semi-final of the Pacific Coast Circuit Inter-Circuit Cup.
Although his team lost the match, Harry had Meghan by his side to comfort him.