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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kb2 draw
5 Rb8 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Rh8 draw
11 Kb1 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kg4 loss in 1 half-moves
14 Kg5 loss in 1 half-moves
15 Kg6 loss in 1 half-moves
16 Kh4 loss in 1 half-moves
17 Kh6 loss in 1 half-moves
18 Ra3 loss in 1 half-moves
19 Ra4 loss in 1 half-moves
20 Ra5 loss in 1 half-moves
21 Ra6 loss in 1 half-moves
22 Ra7 loss in 1 half-moves