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

EGTB: win in 2 half-moves

# move score
1 Kg6 win in 1 half-moves
2 Kg7 win in 1 half-moves
3 Rg8 draw
4 Rb8 loss in 6 half-moves
5 Rc8 loss in 6 half-moves
6 Ke8 loss in 4 half-moves
7 Kf8 loss in 4 half-moves
8 Ra6 loss in 4 half-moves
9 Ra7 loss in 4 half-moves
10 Ke6 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves
21 Kg8 loss in 1 half-moves
22 Ra1 loss in 1 half-moves