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 Kh1 draw
3 Kh3 draw
4 Rg3 draw
5 Rg6 draw
6 Rg7 draw
7 Rh8 draw
8 Rc8 loss in 4 half-moves
9 Kg1 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kg3 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rd8 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 Rg2 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rb8 loss in 1 half-moves