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 Kb6 win in 3 half-moves
3 Ka7 draw
4 Kb7 draw
5 Na3 draw
6 Nc3 draw
7 Nd4 draw
8 Nd6 draw
9 Na7 loss in 8 half-moves
10 Nc7 loss in 2 half-moves