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

EGTB: win in 4 half-moves

# move score
1 Na8 win in 3 half-moves
2 Kc8 loss in 2 half-moves
3 Kd7 loss in 2 half-moves
4 Ke7 loss in 2 half-moves
5 Ke8 loss in 2 half-moves
6 Na4 loss in 2 half-moves
7 Nc4 loss in 2 half-moves
8 Nc8 loss in 2 half-moves
9 Nd5 loss in 2 half-moves
10 Nd7 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves
24 Kc7 loss in 1 half-moves
25 Rc7 loss in 1 half-moves