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

EGTB: win in 2 half-moves

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