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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Ra8 loss in 10 half-moves
3 Rg8 loss in 10 half-moves
4 Rh8 loss in 10 half-moves
5 Kb7 loss in 8 half-moves
6 Ka8 loss in 6 half-moves
7 Rb6 loss in 6 half-moves
8 Rb7 loss in 6 half-moves
9 Ka6 loss in 4 half-moves
10 Kb6 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rb1 loss in 1 half-moves
18 Rb2 loss in 1 half-moves