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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rg7 loss in 12 half-moves
3 Rh7 loss in 8 half-moves
4 Kg5 loss in 2 half-moves
5 Kg6 loss in 2 half-moves
6 Kg7 loss in 2 half-moves
7 Kh5 loss in 2 half-moves
8 Kh7 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Rc7 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Re1 loss in 1 half-moves
15 Re2 loss in 1 half-moves
16 Re3 loss in 1 half-moves
17 Re4 loss in 1 half-moves
18 Re5 loss in 1 half-moves
19 Re6 loss in 1 half-moves