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

EGTB: loss in 43 half-moves

# move score
1 Kb4 loss in 42 half-moves
2 Kc4 loss in 42 half-moves
3 Ka3 loss in 40 half-moves
4 Ka4 loss in 40 half-moves
5 Kc3 loss in 40 half-moves
6 Kc2 loss in 36 half-moves
7 Ka2 loss in 26 half-moves
8 Kb2 loss in 26 half-moves