Click on the third or sixth rank to set the en passant target square.

EGTB: win in 1 half-moves

# move score
1 Rxa4 win in 1 half-moves
2 Bxc7 loss in 2 half-moves
3 Nxc7 loss in 2 half-moves
4 Rxc7 loss in 2 half-moves