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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rd5 win in 1 half-moves
3 Re5 win in 1 half-moves
4 Kg6 loss in 2 half-moves
5 Kg7 loss in 2 half-moves
6 Kg8 loss in 2 half-moves
7 Kh8 loss in 2 half-moves
8 Ra5 loss in 2 half-moves
9 Rc5 loss in 2 half-moves
10 Rf5 loss in 2 half-moves
11 Rg5 loss in 2 half-moves
12 Rh1 loss in 2 half-moves
13 Rh3 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Kh6 loss in 1 half-moves
16 Rh2 loss in 1 half-moves
17 Rh6 loss in 1 half-moves