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

EGTB: win in 2 half-moves

# move score
1 Kc1 win in 1 half-moves
2 Kc3 win in 1 half-moves
3 Kb1 win in 3 half-moves
4 Kbb3 win in 3 half-moves
5 Ka1 draw
6 Ka4 draw
7 Kc2 draw
8 Ra1 draw
9 Kab3 loss in 2 half-moves
10 Kb4 loss in 2 half-moves