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

EGTB: win in 4 half-moves

# move score
1 Na3 win in 3 half-moves
2 Ra8 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Na1 loss in 4 half-moves
5 Nb4 loss in 2 half-moves
6 Nd4 loss in 2 half-moves
7 Ne1 loss in 2 half-moves
8 Ne3 loss in 2 half-moves
9 Rc3 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rc5 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves
17 Rc7 loss in 1 half-moves
18 Rf8 loss in 1 half-moves