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

EGTB: win in 2 half-moves

# move score
1 Kc1 win in 1 half-moves
2 Kc2 win in 1 half-moves
3 Kc3 win in 1 half-moves
4 Ka3 loss in 28 half-moves
5 Kb1 loss in 20 half-moves
6 Ka1 loss in 18 half-moves
7 Ka2 loss in 18 half-moves
8 Kb3 loss in 2 half-moves