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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Rf8 win in 1 half-moves
3 Rg8 win in 1 half-moves
4 Rh8 win in 1 half-moves
5 Kb6 draw
6 Kb7 draw
7 Rc8 draw
8 Rd8 draw
9 Re8 draw
10 Ka5 loss in 1 half-moves
11 Ka7 loss in 1 half-moves
12 Kf2 loss in 1 half-moves
13 Kf3 loss in 1 half-moves
14 Kf4 loss in 1 half-moves
15 Kg2 loss in 1 half-moves
16 Kg4 loss in 1 half-moves
17 Kh2 loss in 1 half-moves
18 Kh3 loss in 1 half-moves
19 Kh4 loss in 1 half-moves
20 Ra7 loss in 1 half-moves
21 Rb8 loss in 1 half-moves