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

EGTB: draw

# move score
1 K6b6 draw
2 K6b7 draw
3 K6d6 draw
4 K6d7 draw
5 K7b6 draw
6 K7b7 draw
7 K7d6 draw
8 K7d7 draw
9 Kb5 draw
10 Kb8 draw
11 Kd5 draw
12 Kd8 draw
13 Kc5 loss in 4 half-moves
14 Kc8 loss in 4 half-moves