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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Rg1 draw
3 Rg2 draw
4 Rg3 draw
5 Ka6 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kbb8 loss in 2 half-moves
10 Kbc7 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kcb8 loss in 2 half-moves
13 Kcc7 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rg7 loss in 2 half-moves