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 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd1 draw
6 Kd7 draw
7 Kd8 draw
8 Ra1 draw
9 Rb8 draw
10 Kb2 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves