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

EGTB: loss in 21 half-moves

# move score
1 Kc4 loss in 20 half-moves
2 Kb3 loss in 18 half-moves
3 Kb5 loss in 18 half-moves
4 Kc3 loss in 18 half-moves
5 Ka3 loss in 16 half-moves
6 Ka4 loss in 16 half-moves
7 Ka5 loss in 16 half-moves
8 Kc5 loss in 2 half-moves