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

EGTB: draw

# move score
1 K2a3 draw
2 K4a3 draw
3 Ka1 draw
4 Ka5 draw
5 Kb5 draw
6 K2b3 loss in 2 half-moves
7 K4b3 loss in 2 half-moves
8 Kb1 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kb4 loss in 2 half-moves