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

EGTB: win in 2 half-moves

# move score
1 Ka5 win in 1 half-moves
2 Kc5 win in 1 half-moves
3 Kb4 loss in 18 half-moves
4 Kb6 loss in 18 half-moves
5 Kc4 loss in 18 half-moves
6 Kc6 loss in 18 half-moves
7 Ka4 loss in 16 half-moves
8 Ka6 loss in 16 half-moves