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

EGTB: loss in 23 half-moves

# move score
1 Ka7 loss in 22 half-moves
2 Kb7 loss in 22 half-moves
3 Kc7 loss in 20 half-moves
4 Kc8 loss in 20 half-moves
5 Nc7 loss in 12 half-moves
6 Nb6 loss in 2 half-moves