Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Kf5 draw
3 Kf7 draw
4 Re7 draw
5 Rg6 draw
6 Rg8 draw
7 Ke6 loss in 8 half-moves
8 Rd7 loss in 8 half-moves
9 Rh7 loss in 8 half-moves
10 Ke5 loss in 6 half-moves
11 Kg6 loss in 6 half-moves
12 Rf7 loss in 6 half-moves
13 Ke7 loss in 4 half-moves
14 Kg5 loss in 4 half-moves
15 Ra7 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg5 loss in 2 half-moves