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

EGTB: win in 2 half-moves

# move score
1 K3b3 win in 1 half-moves
2 K4b3 win in 1 half-moves
3 Ka5 win in 1 half-moves
4 Ka2 loss in 2 half-moves
5 Kb2 loss in 2 half-moves
6 K3b4 loss in 1 half-moves
7 K4b4 loss in 1 half-moves
8 Kb5 loss in 1 half-moves