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

EGTB: win in 4 half-moves

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