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

EGTB: win in 16 half-moves

# move score
1 K5b5 win in 15 half-moves
2 K4b4 win in 19 half-moves
3 K4b5 win in 19 half-moves
4 Kb6 win in 19 half-moves
5 K5b4 draw
6 Ka3 draw
7 Kb3 draw
8 Ka6 loss in 8 half-moves