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

EGTB: win in 4 half-moves

# move score
1 Nf1 win in 3 half-moves
2 Rb1 loss in 10 half-moves
3 Rb7 loss in 4 half-moves
4 Nf3 loss in 2 half-moves
5 Ng4 loss in 2 half-moves
6 Ra3 loss in 2 half-moves
7 Rb4 loss in 2 half-moves
8 Rb5 loss in 2 half-moves
9 Rb6 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rd3 loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rh3 loss in 2 half-moves
16 d8=B loss in 1 half-moves
17 d8=K loss in 1 half-moves
18 d8=N loss in 1 half-moves
19 d8=Q loss in 1 half-moves
20 d8=R loss in 1 half-moves
21 Rb2 loss in 1 half-moves
22 Rc3 loss in 1 half-moves