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 Ka5 draw
3 Kb4 draw
4 Kb5 draw
5 Kg5 draw
6 Kg6 draw
7 Kg7 draw
8 Kh5 draw
9 Kh7 draw
10 Ra5 draw
11 Ra6 draw
12 Ra7 draw
13 Rb8 draw
14 Rd8 draw
15 Re8 draw
16 Rf8 draw
17 Rh8 draw
18 Ka3 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Rc8 loss in 1 half-moves