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

EGTB: win in 4 half-moves

# move score
1 Nb3 win in 3 half-moves
2 Nc2 win in 5 half-moves
3 d8=B draw
4 d8=K draw
5 d8=N draw
6 d8=Q draw
7 d8=R draw
8 Re2 draw
9 Re7 draw
10 Rf1 loss in 4 half-moves
11 Rh1 loss in 4 half-moves
12 Rb1 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Re3 loss in 1 half-moves
20 Rg1 loss in 1 half-moves