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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kb6 draw
3 Kb8 draw
4 Kc6 draw
5 Kd6 draw
6 Kd7 draw
7 Rb3 draw
8 Rb4 draw
9 Rb6 draw
10 Rb8 draw
11 Kc8 loss in 4 half-moves
12 Kd8 loss in 4 half-moves
13 Ra7 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves