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 Rb4 win in 1 half-moves
3 Rb5 win in 1 half-moves
4 Kb6 draw
5 Kb8 draw
6 Kc6 draw
7 Kc8 draw
8 Kd6 draw
9 Kd8 draw
10 Rb2 draw
11 Rb6 draw
12 Rb8 draw
13 Kd7 loss in 1 half-moves
14 Kg3 loss in 1 half-moves
15 Kg4 loss in 1 half-moves
16 Kg5 loss in 1 half-moves
17 Kh3 loss in 1 half-moves
18 Kh5 loss in 1 half-moves
19 Ra7 loss in 1 half-moves
20 Rb1 loss in 1 half-moves