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 Kb6 draw
3 Kb8 draw
4 Kc6 draw
5 Kc8 draw
6 Kd6 draw
7 Kd7 draw
8 Kd8 draw
9 Kg5 draw
10 Kg6 draw
11 Kg7 draw
12 Kh5 draw
13 Kh7 draw
14 Ra7 draw
15 Rb4 draw
16 Rb5 draw
17 Rb6 draw
18 Rb8 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves