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

EGTB: win in 10 half-moves

# move score
1 K4b5 win in 9 half-moves
2 K5b5 win in 11 half-moves
3 K4b4 win in 19 half-moves
4 Kb6 win in 33 half-moves
5 K5b4 draw
6 Ka3 draw
7 Ka6 draw
8 Kb3 draw