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

EGTB: win in 4 half-moves

# move score
1 Kg7 win in 3 half-moves
2 Kh7 win in 3 half-moves
3 Kd6 win in 5 half-moves
4 Kd7 win in 5 half-moves
5 Kd8 win in 5 half-moves
6 Kg6 win in 5 half-moves
7 Rg8 win in 5 half-moves
8 Rh7 win in 5 half-moves
9 Kc6 win in 7 half-moves
10 Kc8 win in 7 half-moves
11 Kb6 draw
12 Kb7 draw
13 Kb8 draw
14 Kg5 draw
15 Kh5 draw
16 Ra8 draw
17 Rb8 draw
18 Rc8 draw
19 Rf8 draw
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves