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

EGTB: win in 2 half-moves

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