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

EGTB: win in 4 half-moves

# move score
1 Na5 win in 3 half-moves
2 Bb2 loss in 2 half-moves
3 Bb4 loss in 2 half-moves
4 Bc1 loss in 2 half-moves
5 Bc5 loss in 2 half-moves
6 Bd6 loss in 2 half-moves
7 Na1 loss in 2 half-moves
8 Nc1 loss in 2 half-moves
9 Nc5 loss in 2 half-moves
10 Nd2 loss in 2 half-moves
11 Nd4 loss in 2 half-moves
12 Be7 loss in 1 half-moves
13 Bf8 loss in 1 half-moves