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

EGTB: win in 46 half-moves

# move score
1 Kbb7 win in 45 half-moves
2 Kc7 win in 45 half-moves
3 Ka6 win in 47 half-moves
4 Kb6 win in 47 half-moves
5 Kc8 win in 47 half-moves
6 Kab7 win in 49 half-moves