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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Ka2 draw
3 Ka3 draw
4 Kb2 draw
5 Kc2 draw
6 Kc3 draw
7 Kb4 loss in 2 half-moves
8 Kc4 loss in 2 half-moves