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

EGTB: draw

# move score
1 Ka4 draw
2 Ka7 draw
3 Kaa5 draw
4 Kab6 draw
5 Kb4 draw
6 Kb7 draw
7 Kba5 draw
8 Kc4 draw
9 Kc5 draw
10 Kbb6 loss in 4 half-moves
11 Kc6 loss in 4 half-moves