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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke7 draw
6 Ke8 draw
7 Re8 draw
8 Rg8 draw
9 Rh7 draw
10 Rh6 loss in 6 half-moves
11 Rh1 loss in 2 half-moves
12 Rh2 loss in 2 half-moves
13 Rh3 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Rh5 loss in 1 half-moves