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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kh1 draw
5 Kh3 draw
6 Ra8 draw
7 Rb8 draw
8 Rf8 draw
9 Rg1 draw
10 Rg2 draw
11 Rg3 draw
12 Rh8 draw
13 Kg3 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves