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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 Rb5 win in 1 half-moves
4 Rb6 win in 1 half-moves
5 Rb7 win in 1 half-moves
6 Rb8 win in 1 half-moves
7 Kb2 loss in 1 half-moves
8 Kc2 loss in 1 half-moves
9 Kc5 loss in 1 half-moves
10 Kc6 loss in 1 half-moves
11 Kc7 loss in 1 half-moves
12 Kd1 loss in 1 half-moves
13 Kd2 loss in 1 half-moves
14 Kd5 loss in 1 half-moves
15 Kd7 loss in 1 half-moves
16 Ke5 loss in 1 half-moves
17 Ke6 loss in 1 half-moves
18 Ke7 loss in 1 half-moves
19 Ra1 loss in 1 half-moves
20 Rb3 loss in 1 half-moves