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 Rg6 loss in 8 half-moves
3 Rg7 loss in 8 half-moves
4 Kf2 loss in 2 half-moves
5 Kf3 loss in 2 half-moves
6 Kf4 loss in 2 half-moves
7 Kg2 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kh2 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Kh4 loss in 2 half-moves
12 Re5 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh5 loss in 2 half-moves
16 Ra5 loss in 1 half-moves
17 Rb5 loss in 1 half-moves
18 Rc5 loss in 1 half-moves
19 Rd5 loss in 1 half-moves