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

EGTB: win in 4 half-moves

# move score
1 Kg6 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Kg4 win in 7 half-moves
4 Kg5 win in 7 half-moves
5 Kg7 win in 7 half-moves
6 Kh5 win in 7 half-moves
7 Rh8 win in 7 half-moves
8 Ke7 draw
9 Ke8 draw
10 Kf6 draw
11 Kg3 draw
12 Kg8 draw
13 Kh3 draw
14 Ra8 draw
15 Re8 draw
16 Ke6 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves