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