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

EGTB: loss in 39 half-moves

# move score
1 Kb5 loss in 38 half-moves
2 Kb7 loss in 38 half-moves
3 Kc5 loss in 38 half-moves
4 Kc6 loss in 38 half-moves
5 Kc7 loss in 38 half-moves
6 Ka5 loss in 34 half-moves
7 Ka6 loss in 32 half-moves
8 Ka7 loss in 32 half-moves