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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ra6 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Ka4 win in 5 half-moves
5 Kb2 win in 5 half-moves
6 Kb3 win in 5 half-moves
7 Kb4 win in 5 half-moves
8 Kb7 win in 5 half-moves
9 Ka2 win in 11 half-moves
10 Ra5 win in 13 half-moves
11 Kb6 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ra8 loss in 2 half-moves