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

EGTB: win in 4 half-moves

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