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 Kg1 draw
3 Kg2 draw
4 Kh2 draw
5 Rd8 draw
6 Re8 draw
7 Rf8 draw
8 Rg3 draw
9 Rg4 draw
10 Rg6 draw
11 Rh8 draw
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg7 loss in 2 half-moves