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

EGTB: win in 4 half-moves

# move score
1 Kab2 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kb3 win in 5 half-moves
4 Kba2 win in 5 half-moves
5 Ra2 win in 5 half-moves
6 Ka4 draw
7 Kaa2 draw
8 Kbb2 draw
9 Kc1 loss in 2 half-moves
10 Kc2 loss in 2 half-moves