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