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 Kh4 win in 3 half-moves
3 Kf3 win in 5 half-moves
4 Kd1 draw
5 Kd2 draw
6 Ke1 draw
7 Kf1 draw
8 Kg5 draw
9 Kg6 draw
10 Kh6 draw
11 Rf1 draw
12 Rf3 draw
13 Rf8 draw
14 Rg2 draw
15 Rh2 draw
16 Kd3 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves