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

EGTB: win in 4 half-moves

# move score
1 Kc4 win in 3 half-moves
2 Kc5 win in 5 half-moves
3 Kf3 win in 5 half-moves
4 Kb5 win in 7 half-moves
5 Kc3 win in 7 half-moves
6 Kf2 win in 7 half-moves
7 Kg3 win in 11 half-moves
8 Kf1 win in 13 half-moves
9 Ka3 draw
10 Ka4 draw
11 Ka5 draw
12 Kb3 draw
13 Kg1 draw
14 Kh1 draw
15 Kh2 draw
16 Kh3 draw