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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kc6 draw
3 Kd6 draw
4 Ke6 draw
5 Ke7 draw
6 Re8 draw
7 Rf8 draw
8 Kc7 loss in 16 half-moves
9 Ra7 loss in 10 half-moves
10 Rd8 loss in 10 half-moves
11 Kc8 loss in 8 half-moves
12 Ke8 loss in 8 half-moves
13 Kd8 loss in 6 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves