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 Ka7 loss in 2 half-moves
3 Ka8 loss in 2 half-moves
4 Kb7 loss in 2 half-moves
5 Kbc7 loss in 2 half-moves
6 Kbc8 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kdc7 loss in 2 half-moves
10 Kdc8 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves