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 Kc2 win in 3 half-moves
3 Kcb4 win in 3 half-moves
4 Kd2 win in 3 half-moves
5 Kd4 win in 3 half-moves
6 Ra2 win in 3 half-moves
7 Ka5 win in 5 half-moves
8 Kab3 win in 5 half-moves
9 Kb5 win in 5 half-moves
10 Kc4 win in 5 half-moves
11 Rb3 win in 5 half-moves
12 Kd3 win in 9 half-moves
13 Kab4 draw
14 Kcb3 draw
15 Ra1 draw