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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kb6 draw
3 Kc5 draw
4 Kc6 draw
5 Kc4 loss in 50 half-moves
6 Kb4 loss in 48 half-moves
7 Ka5 loss in 46 half-moves
8 Ka4 loss in 42 half-moves