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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Ra4 draw
3 Rb4 draw
4 Rc4 draw
5 Rd4 draw
6 Rg2 draw
7 Rg3 draw
8 Kf6 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Kf8 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kg8 loss in 2 half-moves
13 Kh6 loss in 2 half-moves
14 Kh7 loss in 2 half-moves
15 Kh8 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh4 loss in 2 half-moves