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

EGTB: win in 2 half-moves

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