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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb2 win in 3 half-moves
3 Kbb4 win in 3 half-moves
4 Kc2 win in 3 half-moves
5 Kc4 win in 3 half-moves
6 Ra2 win in 3 half-moves
7 Ka2 win in 5 half-moves
8 Kab4 win in 5 half-moves
9 Kc3 win in 5 half-moves
10 Ra1 win in 5 half-moves
11 Ka5 draw