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

EGTB: win in 44 half-moves

# move score
1 Kb6 win in 43 half-moves
2 Kd7 win in 43 half-moves
3 Kab7 win in 45 half-moves
4 Kc7 win in 45 half-moves
5 Kcb7 win in 45 half-moves
6 Ra7 win in 45 half-moves
7 Rb8 win in 45 half-moves
8 Ka5 win in 47 half-moves
9 Ka7 win in 47 half-moves
10 Kb8 win in 47 half-moves
11 Kd8 win in 47 half-moves
12 Kb5 win in 49 half-moves