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

EGTB: win in 2 half-moves

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