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

EGTB: win in 2 half-moves

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