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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Kc6 win in 1 half-moves
4 Kc4 loss in 40 half-moves
5 Kc5 loss in 40 half-moves
6 Kb4 loss in 38 half-moves
7 Ka4 loss in 34 half-moves
8 Ka5 loss in 34 half-moves