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 Kb6 draw
3 Kb8 draw
4 Kc6 draw
5 Kc8 draw
6 Kd8 draw
7 Kg8 draw
8 Ra7 draw
9 Rb8 draw
10 Kd6 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Kh7 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves