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

EGTB: win in 4 half-moves

# move score
1 Kg4 win in 3 half-moves
2 Kg5 win in 3 half-moves
3 Kg6 win in 3 half-moves
4 Rf8 win in 3 half-moves
5 Rg8 win in 3 half-moves
6 Kf7 win in 7 half-moves
7 Rh6 win in 11 half-moves
8 Kf6 win in 15 half-moves
9 Rh7 win in 17 half-moves
10 Ke7 win in 23 half-moves
11 Kd7 win in 27 half-moves
12 Kd5 draw
13 Kd6 draw
14 Ke5 draw
15 Kf5 draw
16 Kh4 draw
17 Kh6 draw
18 Rc8 draw
19 Rd8 draw
20 Re8 draw
21 Ra8 loss in 2 half-moves
22 Rb8 loss in 2 half-moves