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

EGTB: win in 4 half-moves

# move score
1 Na4 win in 3 half-moves
2 Kc6 draw
3 Kd6 draw
4 Nc8 draw
5 Nd5 draw
6 Nd7 draw
7 Na8 loss in 16 half-moves
8 Kb5 loss in 4 half-moves
9 Kd5 loss in 4 half-moves
10 Kb4 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Nc4 loss in 2 half-moves