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 Kc2 draw
3 Kg7 draw
4 Kg8 draw
5 Kh7 draw
6 Ra8 draw
7 Rb2 draw
8 Rb3 draw
9 Rb5 draw
10 Rb6 draw
11 Rb7 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Kb1 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kd1 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Rb1 loss in 1 half-moves
20 Rb4 loss in 1 half-moves
21 Rc8 loss in 1 half-moves