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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kg5 loss in 4 half-moves
3 Kh5 loss in 4 half-moves
4 Kg6 loss in 2 half-moves
5 Kg7 loss in 2 half-moves
6 Kh7 loss in 2 half-moves
7 Ra2 loss in 2 half-moves
8 Re2 loss in 2 half-moves
9 Rf2 loss in 2 half-moves
10 Rg1 loss in 2 half-moves
11 Rg3 loss in 2 half-moves
12 Rg5 loss in 2 half-moves
13 Rg6 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Rb2 loss in 1 half-moves
18 Rc2 loss in 1 half-moves
19 Rd2 loss in 1 half-moves