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 Kg7 win in 5 half-moves
4 Kf5 win in 7 half-moves
5 Kf7 win in 7 half-moves
6 Kh7 win in 7 half-moves
7 Kh8 win in 7 half-moves
8 Rf7 win in 7 half-moves
9 Ke4 draw
10 Ke5 draw
11 Kf3 draw
12 Kg3 draw
13 Rd8 draw
14 Re8 draw
15 Rf6 draw
16 Ke3 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rf5 loss in 2 half-moves