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

EGTB: win in 6 half-moves

# move score
1 Kb7 win in 5 half-moves
2 Kc7 win in 5 half-moves
3 Na3 win in 31 half-moves
4 Ka5 draw
5 Ka6 draw
6 Ka7 draw
7 Kc5 draw
8 Kc6 draw
9 Na7 draw
10 Nc3 loss in 2 half-moves
11 Nc7 loss in 2 half-moves
12 Nd4 loss in 2 half-moves
13 Nd6 loss in 2 half-moves