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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb3 draw
4 Kb4 draw
5 Na5 draw
6 Nc5 draw
7 Nd6 draw
8 Nd8 draw
9 Ka3 loss in 6 half-moves