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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kb6 draw
3 Kc6 draw
4 Kc8 draw
5 Rb1 draw
6 Rb3 draw
7 Rb5 draw
8 Rb6 draw
9 Rb8 draw
10 Kb8 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Kg2 loss in 1 half-moves
15 Kg3 loss in 1 half-moves
16 Kg4 loss in 1 half-moves
17 Kh2 loss in 1 half-moves
18 Kh4 loss in 1 half-moves
19 Ra7 loss in 1 half-moves
20 Rb2 loss in 1 half-moves