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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Ka6 loss in 2 half-moves
3 Ka8 loss in 2 half-moves
4 Kb6 loss in 2 half-moves
5 Kb7 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Ra8 loss in 2 half-moves
8 Rb8 loss in 2 half-moves
9 Rc8 loss in 2 half-moves
10 Rd8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rf6 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rh8 loss in 2 half-moves
15 Rf1 loss in 1 half-moves
16 Rf2 loss in 1 half-moves
17 Rf3 loss in 1 half-moves
18 Rf4 loss in 1 half-moves
19 Rf5 loss in 1 half-moves