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

EGTB: win in 12 half-moves

# move score
1 Kab3 win in 11 half-moves
2 Kb4 win in 11 half-moves
3 Kb5 win in 11 half-moves
4 Kbb3 win in 11 half-moves
5 Kc2 win in 11 half-moves
6 Kc3 win in 11 half-moves
7 Ka5 win in 13 half-moves
8 Kb1 win in 13 half-moves
9 Kc1 win in 13 half-moves
10 Ka1 win in 15 half-moves
11 Ka2 win in 15 half-moves
12 Kaa3 win in 15 half-moves
13 Kba3 win in 15 half-moves