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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Kg3 draw
3 Kg4 draw
4 Kg5 draw
5 Kh3 draw
6 Rg7 draw
7 Rh5 draw
8 Rh6 draw
9 Kh5 loss in 8 half-moves
10 Rd7 loss in 4 half-moves
11 Rf7 loss in 4 half-moves
12 Ra7 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Re7 loss in 1 half-moves