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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kb2 draw
3 Kb8 draw
4 Kd1 draw
5 Kd8 draw
6 Ra1 draw
7 Rb2 draw
8 Rb7 draw
9 Rb8 draw
10 Kb7 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd7 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