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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka4 loss in 2 half-moves
3 Ka5 loss in 2 half-moves
4 Ka6 loss in 2 half-moves
5 Kb4 loss in 2 half-moves
6 Kb6 loss in 2 half-moves
7 Kbc6 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kdc6 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Kc8 loss in 1 half-moves
19 Kd8 loss in 1 half-moves
20 Ke8 loss in 1 half-moves