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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kcb7 win in 3 half-moves
3 Ra7 win in 3 half-moves
4 Kb6 win in 7 half-moves
5 Rb8 win in 7 half-moves
6 Kd8 win in 13 half-moves
7 Kd7 win in 17 half-moves
8 Kb5 win in 23 half-moves
9 Ka5 win in 33 half-moves
10 Kb8 win in 37 half-moves
11 Ka7 draw
12 Kab7 draw