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

EGTB: win in 2 half-moves

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