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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kg5 loss in 2 half-moves
3 Kg6 loss in 2 half-moves
4 Kg8 loss in 2 half-moves
5 Kh5 loss in 2 half-moves
6 Ra8 loss in 2 half-moves
7 Rc8 loss in 2 half-moves
8 Rd8 loss in 2 half-moves
9 Re1 loss in 2 half-moves
10 Re2 loss in 2 half-moves
11 Re3 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Re5 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 K6g7 loss in 1 half-moves
18 K6h7 loss in 1 half-moves
19 K8g7 loss in 1 half-moves
20 K8h7 loss in 1 half-moves
21 Re7 loss in 1 half-moves