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 Ra3 draw
3 Ra4 draw
4 Ra5 draw
5 Ra7 draw
6 Kg5 loss in 2 half-moves
7 Kg6 loss in 2 half-moves
8 Kg8 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Ra1 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 K6g7 loss in 1 half-moves
19 K6h7 loss in 1 half-moves
20 K8g7 loss in 1 half-moves
21 K8h7 loss in 1 half-moves