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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rd8 win in 1 half-moves
3 Ka6 loss in 2 half-moves
4 Ka8 loss in 2 half-moves
5 Kb6 loss in 2 half-moves
6 Kb7 loss in 2 half-moves
7 Kg7 loss in 2 half-moves
8 Kg8 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves