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

EGTB: win in 4 half-moves

# move score
1 Kab6 win in 3 half-moves
2 Kb5 win in 5 half-moves
3 Kb8 win in 5 half-moves
4 Kbb6 win in 5 half-moves
5 Ka5 draw
6 Ka8 draw
7 Kc8 draw
8 Ra8 draw
9 Kc6 loss in 2 half-moves
10 Kc7 loss in 2 half-moves