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

EGTB: win in 2 half-moves

# move score
1 Ka4 win in 1 half-moves
2 Kb5 loss in 62 half-moves
3 Kb4 loss in 58 half-moves
4 Kb6 loss in 46 half-moves
5 Ka6 loss in 28 half-moves