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

EGTB: draw

# move score
1 K4b5 draw
2 K4c5 draw
3 K4d5 draw
4 K6b5 draw
5 K6c5 draw
6 K6d5 draw
7 Kb6 draw
8 Kb7 draw
9 Kc7 draw
10 Kd4 draw
11 Kd6 draw
12 Kd7 draw
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kd3 loss in 2 half-moves