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 Rd8 win in 1 half-moves
3 Rf1 loss in 4 half-moves
4 Rf2 loss in 4 half-moves
5 Rf7 loss in 4 half-moves
6 Nf1 loss in 2 half-moves
7 Nf3 loss in 2 half-moves
8 Ng4 loss in 2 half-moves
9 Ra8 loss in 2 half-moves
10 Rc8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 d8=B loss in 1 half-moves
19 d8=K loss in 1 half-moves
20 d8=N loss in 1 half-moves
21 d8=Q loss in 1 half-moves
22 d8=R loss in 1 half-moves