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

EGTB: win in 4 half-moves

# move score
1 Kf4 win in 3 half-moves
2 Kd2 draw
3 Kd3 draw
4 Kd4 draw
5 Ke2 draw
6 Ke4 draw
7 Kf2 draw
8 Kg6 draw
9 Kg7 draw
10 Kg8 draw
11 Kh6 draw
12 Kh8 draw
13 Rf1 draw
14 Rf2 draw
15 Rf4 draw
16 Rf5 draw
17 Rg3 draw
18 Rh3 draw
19 Rf6 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves