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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb5 draw
3 Kb7 draw
4 Kc5 draw
5 Kc7 draw
6 Kd5 draw
7 Kd6 draw
8 Ra6 draw
9 Rb3 draw
10 Rb4 draw
11 Rb5 draw
12 Kd7 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves