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

EGTB: draw

# move score
1 K6b7 draw
2 K8b7 draw
3 Kb6 draw
4 Kb8 draw
5 K6d7 loss in 4 half-moves
6 K8c7 loss in 4 half-moves
7 K8d7 loss in 4 half-moves
8 Kc5 loss in 4 half-moves
9 Kd5 loss in 4 half-moves
10 Kd6 loss in 4 half-moves
11 Kd8 loss in 4 half-moves
12 b4 loss in 3 half-moves
13 K6c7 loss in 3 half-moves