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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rg1 win in 1 half-moves
3 Rg8 loss in 6 half-moves
4 Kg5 loss in 2 half-moves
5 Kg6 loss in 2 half-moves
6 Kh4 loss in 2 half-moves
7 Kh6 loss in 2 half-moves
8 Ra4 loss in 2 half-moves
9 Rf4 loss in 2 half-moves
10 Rg2 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 Rh4 loss in 2 half-moves
16 Rc4 loss in 1 half-moves
17 Rd4 loss in 1 half-moves
18 Re4 loss in 1 half-moves