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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kc3 loss in 50 half-moves
4 Ka3 loss in 48 half-moves
5 Ka2 loss in 46 half-moves
6 Kb2 loss in 46 half-moves
7 Kc2 loss in 46 half-moves
8 Kc4 loss in 2 half-moves