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 Kb3 draw
3 Kg4 draw
4 Kg5 draw
5 Kg6 draw
6 Kh4 draw
7 Kh6 draw
8 Ra4 draw
9 Ra5 draw
10 Ra6 draw
11 Ra7 draw
12 Rb8 draw
13 Rc8 draw
14 Re8 draw
15 Rf8 draw
16 Rh8 draw
17 Ka2 loss in 2 half-moves
18 Ka4 loss in 2 half-moves
19 Kb2 loss in 2 half-moves
20 Kb4 loss in 2 half-moves
21 Rd8 loss in 1 half-moves