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 Kf1 draw
3 Kf2 draw
4 Kg2 draw
5 Kh1 draw
6 Kh2 draw
7 Ra2 draw
8 Ra3 draw
9 Ra4 draw
10 Ra6 draw
11 Ra7 draw
12 Raa8 draw
13 Rb1 draw
14 Rc1 draw
15 Rd1 draw
16 Re8 draw
17 Rf1 draw
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rga8 loss in 2 half-moves
28 Rh8 loss in 2 half-moves
29 Ra5 loss in 1 half-moves
30 Re1 loss in 1 half-moves