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

EGTB: draw

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