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

EGTB: win in 4 half-moves

# move score
1 K5c6 win in 3 half-moves
2 K5a5 draw
3 K5a6 draw
4 K6a5 draw
5 K6a6 draw
6 Ka4 draw
7 Ka7 draw
8 Kb4 draw
9 Kb7 draw
10 K5c5 loss in 2 half-moves
11 K6c5 loss in 2 half-moves
12 K6c6 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc7 loss in 2 half-moves