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 Kg3 draw
3 Kg4 draw
4 Kg5 draw
5 Kh3 draw
6 Kh5 draw
7 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Rb4 draw
11 Rb5 draw
12 Rb6 draw
13 Kb6 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves