foot fault

US /ˈfʊt fɔːlt/
UK /ˈfʊt fɔːlt/
"foot fault" picture
1.

falta de pé

an instance of a player serving in tennis or volleyball touching or crossing the baseline with their foot before hitting the ball

:
The umpire called a foot fault on the player, costing them the point.
O árbitro marcou uma falta de pé no jogador, custando-lhe o ponto.
To avoid a foot fault, make sure your feet stay behind the line when serving.
Para evitar uma falta de pé, certifique-se de que seus pés permaneçam atrás da linha ao sacar.