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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kg6 loss in 10 half-moves
3 Rd7 loss in 10 half-moves
4 Kg7 loss in 8 half-moves
5 Kh7 loss in 8 half-moves
6 Ra6 loss in 8 half-moves
7 Rc6 loss in 8 half-moves
8 Rd5 loss in 8 half-moves
9 Rd8 loss in 4 half-moves
10 Kg5 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Rd2 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rd1 loss in 1 half-moves