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 Ka6 loss in 2 half-moves
3 Ka8 loss in 2 half-moves
4 Kab6 loss in 2 half-moves
5 Kab7 loss in 2 half-moves
6 Kb5 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kcb6 loss in 2 half-moves
11 Kcb7 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves