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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rb1 win in 3 half-moves
3 Rb2 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Ka7 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Kd4 loss in 1 half-moves
17 Kd5 loss in 1 half-moves
18 Kd6 loss in 1 half-moves