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 Kb2 draw
3 Kb4 draw
4 Kc2 draw
5 Kc4 draw
6 Kd4 draw
7 Ra3 draw
8 Rb2 draw
9 Rb4 draw
10 Rb6 draw
11 Rb7 draw
12 Rb8 draw
13 Kd2 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Rb1 loss in 2 half-moves