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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Kc3 win in 1 half-moves
3 Kb1 loss in 10 half-moves
4 Kc1 loss in 8 half-moves
5 Ka1 loss in 4 half-moves
6 Ka2 loss in 2 half-moves
7 Ka3 loss in 2 half-moves
8 Kc2 loss in 2 half-moves