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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb6 loss in 2 half-moves
3 Kb8 loss in 2 half-moves
4 Kc6 loss in 2 half-moves
5 Kc8 loss in 2 half-moves
6 Kcd7 loss in 2 half-moves
7 Kcd8 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Ke7 loss in 2 half-moves
10 Ked7 loss in 2 half-moves
11 Ked8 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kf8 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb8 loss in 2 half-moves