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