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 Kb6 win in 1 half-moves
3 Kb7 win in 1 half-moves
4 Rh2 win in 1 half-moves
5 Ka5 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kf6 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Kf8 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kg8 loss in 2 half-moves
12 Kh6 loss in 2 half-moves
13 Kh8 loss in 2 half-moves
14 Rh1 loss in 2 half-moves
15 Rh3 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Rh5 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Rh8 loss in 2 half-moves