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 Rg4 loss in 10 half-moves
3 Rg3 loss in 6 half-moves
4 Ke2 loss in 2 half-moves
5 Ke3 loss in 2 half-moves
6 Ke4 loss in 2 half-moves
7 Kf2 loss in 2 half-moves
8 Kf4 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Kg3 loss in 2 half-moves
11 Kg4 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg2 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Rb8 loss in 1 half-moves
20 Rc8 loss in 1 half-moves
21 Rd8 loss in 1 half-moves
22 Re8 loss in 1 half-moves