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

EGTB: win in 4 half-moves

# move score
1 K2b3 win in 3 half-moves
2 K2a3 draw
3 K4a3 draw
4 K4b3 draw
5 Ka1 draw
6 Ka5 draw
7 Kb1 draw
8 Kb2 draw
9 Kb5 draw
10 Kb4 loss in 2 half-moves