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 Rb3 win in 1 half-moves
3 Kb1 draw
4 Kb2 draw
5 Kb6 draw
6 Kb8 draw
7 Kc2 draw
8 Kc6 draw
9 Kc8 draw
10 Kd1 draw
11 Kd6 draw
12 Kd7 draw
13 Kd8 draw
14 Rb1 draw
15 Rb2 draw
16 Rb8 draw
17 Kd2 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves