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

EGTB: win in 4 half-moves

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