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 Kb2 draw
3 Kb7 draw
4 Kb8 draw
5 Kc2 draw
6 Kc7 draw
7 Kd1 draw
8 Kd2 draw
9 Kd7 draw
10 Kd8 draw
11 Ra1 draw
12 Rb2 draw
13 Rb3 draw
14 Rb8 draw
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves