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

EGTB: win in 1 half-moves

# move score
1 Qxf4 win in 1 half-moves
2 Nxe7 loss in 4 half-moves
3 Nxf4 loss in 2 half-moves
4 Qxe7 loss in 2 half-moves