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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rf1 win in 1 half-moves
3 Rb2 loss in 2 half-moves
4 Rb3 loss in 2 half-moves
5 Rb4 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 Rbc8 loss in 2 half-moves
10 Rbd8 loss in 2 half-moves
11 Rbe8 loss in 2 half-moves
12 Rf2 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rfc8 loss in 2 half-moves
19 Rfd8 loss in 2 half-moves
20 Rfe8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves
23 Ra8 loss in 1 half-moves