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

EGTB: win in 4 half-moves

# move score
1 K5d4 win in 3 half-moves
2 K4b4 draw
3 K4b5 draw
4 K5b4 draw
5 K5b5 draw
6 Kb3 draw
7 Kb6 draw
8 Kc6 draw
9 K4d4 loss in 2 half-moves
10 K4d5 loss in 2 half-moves
11 K5d5 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd6 loss in 2 half-moves