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 Kb1 draw
3 Kb2 draw
4 Kd1 draw
5 Kd7 draw
6 Kd8 draw
7 Ke8 draw
8 Kf8 draw
9 Ra8 draw
10 Rb1 draw
11 Rb2 draw
12 Rb7 draw
13 Rc8 draw
14 Re8 draw
15 Kc2 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves