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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kg3 draw
3 Kg4 draw
4 Kg5 draw
5 Kg6 draw
6 Kg7 draw
7 Kg8 draw
8 Kh3 draw
9 Kh5 draw
10 Kh6 draw
11 Kh8 draw
12 Ra2 draw
13 Rb8 draw
14 Rf8 draw
15 Rh8 draw
16 Ra1 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves