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 Kc5 loss in 2 half-moves
3 Kc6 loss in 2 half-moves
4 Kc7 loss in 2 half-moves
5 Kd5 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Ke5 loss in 2 half-moves
8 Ke6 loss in 2 half-moves
9 Ke7 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Ra8 loss in 1 half-moves
15 Rg8 loss in 1 half-moves
16 Rh8 loss in 1 half-moves