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

EGTB: loss in 3 half-moves

# move score
1 K3a4 loss in 2 half-moves
2 K3b4 loss in 2 half-moves
3 K5a4 loss in 2 half-moves
4 K5b4 loss in 2 half-moves
5 Ka2 loss in 2 half-moves
6 Ka6 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kb5 loss in 1 half-moves