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 Rc8 win in 1 half-moves
3 Rd8 win in 1 half-moves
4 Kg4 draw
5 Kg5 draw
6 Ra8 draw
7 Re8 draw
8 Rg8 draw
9 Kg3 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Kb1 loss in 1 half-moves
13 Kb2 loss in 1 half-moves
14 Kc2 loss in 1 half-moves
15 Kd1 loss in 1 half-moves
16 Kd2 loss in 1 half-moves
17 Rf8 loss in 1 half-moves
18 Rh5 loss in 1 half-moves
19 Rh6 loss in 1 half-moves
20 Rh7 loss in 1 half-moves