Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc8 draw
3 Ke8 draw
4 Kf8 draw
5 Kh7 draw
6 Kh8 draw
7 Ra1 draw
8 Ra2 draw
9 Ra3 draw
10 Rc8 draw
11 Kc7 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves