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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb1 win in 3 half-moves
3 Kb2 win in 3 half-moves
4 Kb6 win in 3 half-moves
5 Kc2 win in 3 half-moves
6 Kc6 win in 3 half-moves
7 Kb8 draw
8 Kc8 draw
9 Kd1 draw
10 Kd6 draw
11 Kd7 draw
12 Kd8 draw
13 Ra7 draw
14 Rb1 draw
15 Rb4 draw
16 Rb5 draw
17 Rb6 draw
18 Rb8 draw
19 Kd2 loss in 2 half-moves
20 Rb2 loss in 2 half-moves