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 Kc5 draw
3 Kc6 draw
4 Kd6 draw
5 Ke5 draw
6 Ke6 draw
7 Kg6 draw
8 Kg7 draw
9 Kg8 draw
10 Kh6 draw
11 Kh8 draw
12 Ra3 draw
13 Ra4 draw
14 Ra5 draw
15 Ra6 draw
16 Ra7 draw
17 Rd8 draw
18 Re8 draw
19 Rf8 draw
20 Rh8 draw
21 Kc4 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Ke4 loss in 2 half-moves
24 Ra1 loss in 2 half-moves
25 Ra2 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc8 loss in 2 half-moves