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 Ka3 loss in 20 half-moves
4 Kb1 loss in 10 half-moves
5 Ka1 loss in 8 half-moves
6 Ka2 loss in 6 half-moves
7 Kb3 loss in 2 half-moves
8 Kc3 loss in 2 half-moves