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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Kc4 loss in 50 half-moves
3 Kb3 loss in 44 half-moves
4 Kc3 loss in 44 half-moves
5 Ka4 loss in 38 half-moves
6 Ka3 loss in 36 half-moves
7 Ka5 loss in 2 half-moves
8 Kb5 loss in 2 half-moves