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

EGTB: draw

# move score
1 Kaa7 draw
2 Kab5 draw
3 Kab7 draw
4 Kba7 draw
5 Kbb5 draw
6 Kbb7 draw
7 Kc5 draw
8 Kc6 draw
9 Kc7 draw
10 Kaa5 loss in 6 half-moves
11 Kba5 loss in 6 half-moves