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 Kaa2 draw
4 Kab2 draw
5 Kba2 draw
6 Kbb2 draw