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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Ke1 loss in 2 half-moves
3 Ke2 loss in 2 half-moves
4 Kf2 loss in 2 half-moves
5 Kg1 loss in 2 half-moves
6 Kg2 loss in 2 half-moves
7 Rb8 loss in 2 half-moves
8 Rc8 loss in 2 half-moves
9 Rd8 loss in 2 half-moves
10 Re8 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rg1 loss in 2 half-moves
13 Rg2 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh8 loss in 2 half-moves
16 Ra8 loss in 1 half-moves
17 Rg4 loss in 1 half-moves
18 Rg5 loss in 1 half-moves
19 Rg6 loss in 1 half-moves