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

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Kf7 draw
3 Kf8 draw
4 Kg7 draw
5 Kh7 draw
6 Kh8 draw
7 Ra2 draw
8 Rb2 draw
9 Rc2 draw
10 Rd2 draw
11 Rf2 draw
12 Rg3 draw
13 Rg4 draw
14 Rg5 draw
15 Rg6 draw
16 Rh2 draw
17 Kb1 loss in 2 half-moves
18 Kb2 loss in 2 half-moves
19 Ka2 loss in 1 half-moves
20 Re2 loss in 1 half-moves
21 Rg1 loss in 1 half-moves