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 Kh7 win in 3 half-moves
4 Rd8 win in 3 half-moves
5 Ke6 win in 5 half-moves
6 Kg7 win in 5 half-moves
7 Kh5 win in 5 half-moves
8 Rh8 win in 5 half-moves
9 Kf6 win in 9 half-moves
10 Ra8 win in 9 half-moves
11 Rb8 win in 9 half-moves
12 Kd6 draw
13 Kd7 draw
14 Kd8 draw
15 Kf7 draw
16 Kf8 draw
17 Rc8 draw
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves