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 Kc7 draw
3 Ke1 draw
4 Ke8 draw
5 Kg1 draw
6 Ra1 draw
7 Ra7 draw
8 Rc8 draw
9 Kc8 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Kd7 loss in 1 half-moves
19 Ke7 loss in 1 half-moves