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

EGTB: draw

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