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 Rg7 loss in 8 half-moves
3 Kf2 loss in 2 half-moves
4 Kf3 loss in 2 half-moves
5 Kf4 loss in 2 half-moves
6 Kg2 loss in 2 half-moves
7 Kg4 loss in 2 half-moves
8 Kh2 loss in 2 half-moves
9 Kh3 loss in 2 half-moves
10 Kh4 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rf6 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rh6 loss in 2 half-moves
16 Ra6 loss in 1 half-moves
17 Rc6 loss in 1 half-moves
18 Rd6 loss in 1 half-moves
19 Re6 loss in 1 half-moves