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

EGTB: win in 4 half-moves

# move score
1 K5f4 win in 3 half-moves
2 K4d4 draw
3 K4d5 draw
4 K5d4 draw
5 K5d5 draw
6 Kd3 draw
7 Kd6 draw
8 Ke3 draw
9 Ke6 draw
10 K4f4 loss in 2 half-moves
11 K4f5 loss in 2 half-moves
12 K5f5 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kf6 loss in 2 half-moves