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 Rc7 win in 1 half-moves
3 Rf7 win in 1 half-moves
4 Rg1 loss in 4 half-moves
5 Rg2 loss in 4 half-moves
6 Rg3 loss in 4 half-moves
7 Rg4 loss in 4 half-moves
8 Kg6 loss in 2 half-moves
9 Kg8 loss in 2 half-moves
10 Kh6 loss in 2 half-moves
11 Kh8 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rg6 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rd7 loss in 1 half-moves
17 Re7 loss in 1 half-moves