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

EGTB: win in 14 half-moves

# move score
1 Kab5 win in 13 half-moves
2 Kb6 win in 13 half-moves
3 Kc3 win in 15 half-moves
4 Kc4 win in 15 half-moves
5 Kc5 win in 17 half-moves
6 Ka3 draw
7 Ka6 draw
8 Kaa4 draw
9 Kb3 draw
10 Kba4 draw
11 Kbb5 draw