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 Ke6 draw
3 Kf6 draw
4 Kg6 draw
5 Ra7 draw
6 Rg2 draw
7 Rg3 draw
8 Rg5 draw
9 Ke4 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh7 loss in 2 half-moves