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

EGTB: win in 4 half-moves

# move score
1 K6f7 win in 3 half-moves
2 K6d6 draw
3 K6d7 draw
4 K7d6 draw
5 K7d7 draw
6 Kd5 draw
7 Kd8 draw
8 Ke5 draw
9 Ke8 draw
10 K6f6 loss in 2 half-moves
11 K7f6 loss in 2 half-moves
12 K7f7 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kf8 loss in 2 half-moves