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

EGTB: draw

# move score
1 K6b7 draw
2 K6c7 draw
3 K6d7 draw
4 K8b7 draw
5 K8c7 draw
6 K8d7 draw
7 Kb6 draw
8 Kb8 draw
9 Kd6 draw
10 Kd8 draw
11 Kb5 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kd5 loss in 2 half-moves