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 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kb6 draw
6 Kb7 draw
7 Kc1 draw
8 Kc8 draw
9 Kd7 draw
10 Kd8 draw
11 Ra8 draw
12 Rb2 draw
13 Rb6 draw
14 Rb7 draw
15 Rc8 draw
16 Kc2 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves