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

EGTB: loss in 45 half-moves

# move score
1 Kb5 loss in 44 half-moves
2 Kc3 loss in 40 half-moves
3 Kd3 loss in 40 half-moves
4 Kb3 loss in 36 half-moves
5 Kb4 loss in 36 half-moves
6 Kc5 loss in 2 half-moves
7 Kd4 loss in 2 half-moves
8 Kd5 loss in 2 half-moves