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

EGTB: win in 2 half-moves

# move score
1 Kb1 win in 1 half-moves
2 Kb3 win in 1 half-moves
3 Kc1 loss in 16 half-moves
4 Kc2 loss in 16 half-moves
5 Ka1 loss in 14 half-moves
6 Ka2 loss in 14 half-moves
7 Ka3 loss in 12 half-moves
8 Kc3 loss in 2 half-moves