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

EGTB: win in 2 half-moves

# move score
1 Rg5 win in 1 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Rd8 draw
6 Rg2 draw
7 Rg6 draw
8 Rg7 draw
9 Rh8 draw
10 Kg1 loss in 2 half-moves
11 Kg3 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 K1g2 loss in 1 half-moves
20 K1h2 loss in 1 half-moves
21 K3g2 loss in 1 half-moves
22 K3h2 loss in 1 half-moves