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

EGTB: win in 4 half-moves

# move score
1 Kg5 win in 3 half-moves
2 Kg6 win in 3 half-moves
3 Kg7 win in 3 half-moves
4 Kh5 win in 3 half-moves
5 Kh7 win in 3 half-moves
6 Rg8 win in 3 half-moves
7 Rh7 win in 3 half-moves
8 Kf3 win in 5 half-moves
9 Kg3 win in 5 half-moves
10 Kh3 win in 5 half-moves
11 Kf1 draw
12 Kf2 draw
13 Kg1 draw
14 Kh1 draw
15 Kh2 draw
16 Rc8 draw
17 Rd8 draw
18 Re8 draw
19 Rf8 draw
20 Ra8 loss in 2 half-moves
21 Rb8 loss in 2 half-moves