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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Kb8 draw
4 Kc6 draw
5 Kc8 draw
6 Kd6 draw
7 Kd7 draw
8 Kd8 draw
9 Rb2 draw
10 Rb3 draw
11 Rb4 draw
12 Rb6 draw
13 Kb6 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb8 loss in 2 half-moves