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 Rb6 win in 1 half-moves
6 Rb8 win in 1 half-moves
7 Ka1 draw
8 Ka3 draw
9 Kb1 draw
10 Kb2 draw
11 Kb3 draw
12 Kb6 draw
13 Kb8 draw
14 Kc6 draw
15 Kc8 draw
16 Kd8 draw
17 Ra7 draw
18 Kd6 loss in 1 half-moves
19 Kd7 loss in 1 half-moves
20 Rb5 loss in 1 half-moves