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

EGTB: win in 2 half-moves

# move score
1 Ka4 win in 1 half-moves
2 Kb4 win in 1 half-moves
3 Kc4 win in 1 half-moves
4 Kb6 loss in 12 half-moves
5 Kc6 loss in 12 half-moves
6 Ka6 loss in 4 half-moves
7 Ka5 loss in 2 half-moves
8 Kc5 loss in 2 half-moves