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

EGTB: win in 1 half-moves

# move score
1 Nxf4 win in 3 half-moves
2 Rxf4 win in 5 half-moves
3 Bxf4 loss in 2 half-moves
4 Rxb1 loss in 2 half-moves