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 Kf7 draw
4 Kf8 draw
5 Ra8 draw
6 Rb6 draw
7 Re8 draw
8 Rf8 draw
9 Rh8 draw
10 Kd8 loss in 4 half-moves
11 Ke8 loss in 4 half-moves
12 Rb7 loss in 4 half-moves
13 Kd6 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Rb5 loss in 1 half-moves