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

EGTB: win in 2 half-moves

# move score
1 Kb1 win in 1 half-moves
2 Kb4 win in 1 half-moves
3 Ka3 draw
4 Ka4 draw
5 Kaa2 draw
6 Kab2 draw
7 Kba2 draw
8 Kbb2 draw
9 Kc2 draw
10 Kc3 draw
11 Kc4 loss in 2 half-moves