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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Nf1 loss in 2 half-moves
3 Nf3 loss in 2 half-moves
4 Ng4 loss in 2 half-moves
5 Rb3 loss in 2 half-moves
6 Rb5 loss in 2 half-moves
7 Rb6 loss in 2 half-moves
8 Rb7 loss in 2 half-moves
9 Rc1 loss in 2 half-moves
10 Rd1 loss in 2 half-moves
11 Re1 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rg1 loss in 2 half-moves
14 Rh1 loss in 2 half-moves
15 d8=B loss in 1 half-moves
16 d8=K loss in 1 half-moves
17 d8=N loss in 1 half-moves
18 d8=Q loss in 1 half-moves
19 d8=R loss in 1 half-moves
20 Ra1 loss in 1 half-moves
21 Rb2 loss in 1 half-moves
22 Rb4 loss in 1 half-moves