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 Ke7 draw
3 Rf8 draw
4 Rh5 draw
5 Ke6 loss in 12 half-moves
6 Kc7 loss in 10 half-moves
7 Kc8 loss in 10 half-moves
8 Kd6 loss in 10 half-moves
9 Rd8 loss in 10 half-moves
10 Rh6 loss in 10 half-moves
11 Kd8 loss in 8 half-moves
12 Ke8 loss in 8 half-moves
13 Rh7 loss in 8 half-moves
14 Rh2 loss in 4 half-moves
15 Kc6 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rh1 loss in 1 half-moves