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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Kc8 win in 3 half-moves
5 Ra5 win in 3 half-moves
6 Ra6 win in 3 half-moves
7 Ra8 win in 3 half-moves
8 Ka3 win in 5 half-moves
9 Kb3 win in 5 half-moves
10 Kb7 win in 9 half-moves
11 Kd7 win in 9 half-moves
12 Ka5 win in 11 half-moves
13 Kd6 win in 11 half-moves
14 Kd8 win in 11 half-moves
15 Kb4 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Rb7 loss in 2 half-moves