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 Kf7 draw
3 Rg7 draw
4 Rg8 draw
5 Kf5 loss in 12 half-moves
6 Kg5 loss in 10 half-moves
7 Kg6 loss in 10 half-moves
8 Kg7 loss in 10 half-moves
9 Rg6 loss in 10 half-moves
10 Re2 loss in 8 half-moves
11 Rf2 loss in 8 half-moves
12 Rh2 loss in 4 half-moves
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rd2 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
22 Ra2 loss in 1 half-moves