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 Kd7 draw
3 Ke6 draw
4 Kf6 draw
5 Kf7 draw
6 Kf8 draw
7 Ra6 draw
8 Rb8 draw
9 Re8 draw
10 Kd6 loss in 4 half-moves
11 Kd8 loss in 4 half-moves
12 Ke8 loss in 4 half-moves
13 Ra5 loss in 4 half-moves
14 Ra7 loss in 4 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves