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

EGTB: win in 12 half-moves

# move score
1 Kc2 win in 11 half-moves
2 Kc1 win in 15 half-moves
3 Ka2 win in 17 half-moves
4 Kb2 win in 17 half-moves
5 Ka1 win in 19 half-moves