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

EGTB: win in 4 half-moves

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