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