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 Rg8 win in 1 half-moves
3 Ra8 draw
4 Kc5 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kdd7 loss in 2 half-moves
9 Kde6 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Ked7 loss in 2 half-moves
13 Kee6 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves