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

EGTB: win in 8 half-moves

# move score
1 Kb4 win in 7 half-moves
2 Kc1 win in 9 half-moves
3 Kc2 win in 9 half-moves
4 Kc3 win in 9 half-moves
5 Ka1 draw
6 Ka4 draw
7 Kaa2 draw
8 Kab3 draw
9 Kb1 draw
10 Kba2 draw
11 Kbb3 draw