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 Kc6 draw
3 Kd6 draw
4 Kg1 draw
5 Kg2 draw
6 Kh1 draw
7 Rb1 draw
8 Rb2 draw
9 Rb6 draw
10 Rb8 draw
11 Kb8 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kh3 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Kb6 loss in 1 half-moves