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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kb3 win in 13 half-moves
3 Kb1 win in 15 half-moves
4 Ka3 draw
5 Ka1 loss in 12 half-moves