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

EGTB: win in 4 half-moves

# move score
1 Kc1 win in 3 half-moves
2 Kc2 win in 3 half-moves
3 Ka1 draw
4 Ka2 draw
5 Ka3 draw
6 Kb1 draw
7 Kb3 draw
8 Kc3 draw