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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kaa2 draw
3 Kab2 draw
4 Kc1 draw
5 Kc2 draw
6 Ka1 loss in 2 half-moves
7 Ka4 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kba2 loss in 2 half-moves
10 Kbb2 loss in 2 half-moves