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 Ra8 draw
3 Rb8 draw
4 Rf8 draw
5 Rg1 draw
6 Rg2 draw
7 Rg3 draw
8 Rg5 draw
9 Kg1 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kh2 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh8 loss in 2 half-moves