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 Kd7 draw
4 Ke7 draw
5 Kg1 draw
6 Kg2 draw
7 Kh1 draw
8 Ra1 draw
9 Ra2 draw
10 Ra7 draw
11 Rc8 draw
12 Kc8 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves