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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Kf3 draw
3 Kf4 draw
4 Kf5 draw
5 Kg3 draw
6 Kg6 draw
7 Kgg5 draw
8 Kgh4 draw
9 Kh3 draw
10 Kh6 draw
11 Khg5 draw
12 Khh4 draw
13 Ra8 draw
14 Re8 draw
15 Rf8 draw
16 Rg5 draw
17 Rg7 draw
18 Rh8 draw
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves