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 Rf5 draw
3 Rf1 loss in 10 half-moves
4 Ra8 loss in 2 half-moves
5 Rc8 loss in 2 half-moves
6 Rd8 loss in 2 half-moves
7 Re8 loss in 2 half-moves
8 Rf2 loss in 2 half-moves
9 Rf3 loss in 2 half-moves
10 Rf4 loss in 2 half-moves
11 Rf6 loss in 2 half-moves
12 Rf7 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves
15 b8=B loss in 1 half-moves
16 b8=K loss in 1 half-moves
17 b8=N loss in 1 half-moves
18 b8=Q loss in 1 half-moves
19 b8=R loss in 1 half-moves