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

EGTB: win in 2 half-moves

# move score
1 Kg5 win in 1 half-moves
2 Kh5 win in 1 half-moves
3 Rf8 win in 1 half-moves
4 Rh5 win in 1 half-moves
5 Rh6 win in 1 half-moves
6 Rh7 win in 1 half-moves
7 Kg3 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kh3 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves