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

EGTB: loss in 9 half-moves

# move score
1 Ka1 loss in 8 half-moves
2 Ka3 loss in 8 half-moves
3 Kc1 loss in 8 half-moves
4 Kc2 loss in 8 half-moves
5 Kc3 loss in 8 half-moves
6 Ka2 loss in 6 half-moves
7 Kb1 loss in 6 half-moves
8 Kb3 loss in 6 half-moves