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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb2 draw
3 Kb4 draw
4 Kc2 draw
5 Kd2 draw
6 Kd3 draw
7 Ra3 draw
8 Rb1 draw
9 Rb4 draw
10 Rb5 draw
11 Rb7 draw
12 Kc4 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb6 loss in 2 half-moves