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 Kb6 draw
3 Kb8 draw
4 Kc6 draw
5 Kd6 draw
6 Kd7 draw
7 Kg2 draw
8 Kh1 draw
9 Kh2 draw
10 Rb1 draw
11 Rb5 draw
12 Rb6 draw
13 Rb8 draw
14 Kf1 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Kc8 loss in 1 half-moves
20 Kd8 loss in 1 half-moves