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 Kf8 win in 5 half-moves
3 Kf6 loss in 2 half-moves
4 Kf7 loss in 2 half-moves
5 Kg5 loss in 2 half-moves
6 Kgg6 loss in 2 half-moves
7 Kgh7 loss in 2 half-moves
8 Kh5 loss in 2 half-moves
9 Kh8 loss in 2 half-moves
10 Khg6 loss in 2 half-moves
11 Khh7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves