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

EGTB: draw

# move score
1 Ka6 draw
2 Kb3 draw
3 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kb8 draw
8 Kc3 draw
9 Kc5 draw
10 Kd3 draw
11 Kd4 draw
12 Ka8 loss in 2 half-moves
13 Kd5 loss in 1 half-moves