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

EGTB: win in 10 half-moves

# move score
1 Kc3 win in 9 half-moves
2 Kb5 win in 11 half-moves
3 Kb3 win in 15 half-moves
4 Ka3 win in 17 half-moves
5 Ka4 win in 17 half-moves
6 Ka5 win in 17 half-moves
7 Kc4 loss in 2 half-moves
8 Kc5 loss in 2 half-moves