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

EGTB: loss in 51 half-moves

# move score
1 Kb5 loss in 50 half-moves
2 Kc5 loss in 50 half-moves
3 Kb3 loss in 48 half-moves
4 Kb4 loss in 48 half-moves
5 Kc3 loss in 48 half-moves
6 Kd3 loss in 48 half-moves
7 Kd4 loss in 48 half-moves
8 Kd5 loss in 48 half-moves