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 Kf1 loss in 2 half-moves
3 Kf2 loss in 2 half-moves
4 Kf3 loss in 2 half-moves
5 Kg1 loss in 2 half-moves
6 Kg3 loss in 2 half-moves
7 Kh1 loss in 2 half-moves
8 Kh2 loss in 2 half-moves
9 Kh3 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rf7 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Rc7 loss in 1 half-moves
19 Rd7 loss in 1 half-moves
20 Re7 loss in 1 half-moves