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

EGTB: win in 1 half-moves

# move score
1 Kxb6 win in 1 half-moves
2 Kcxc6 loss in 1 half-moves
3 Kdxc6 loss in 1 half-moves
4 Rxc6 loss in 1 half-moves