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

EGTB: loss in 5 half-moves

# move score
1 Ka3 loss in 4 half-moves
2 Kb3 loss in 4 half-moves
3 Ka5 loss in 2 half-moves
4 Kb4 loss in 2 half-moves
5 Nf2 loss in 2 half-moves
6 Ng3 loss in 2 half-moves
7 Kb5 loss in 1 half-moves