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

EGTB: win in 4 half-moves

# move score
1 K5f6 win in 3 half-moves
2 K5d5 draw
3 K5d6 draw
4 K6d5 draw
5 K6d6 draw
6 Kd4 draw
7 Kd7 draw
8 Ke4 draw
9 Ke7 draw
10 K5f5 loss in 2 half-moves
11 K6f5 loss in 2 half-moves
12 K6f6 loss in 2 half-moves
13 Kf4 loss in 2 half-moves
14 Kf7 loss in 2 half-moves