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

EGTB: draw

# move score
1 K4a5 draw
2 K4b5 draw
3 K6a5 draw
4 Ka7 draw
5 Kb6 draw
6 Kb7 draw
7 K6b5 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kb4 loss in 2 half-moves