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 Rg6 win in 1 half-moves
3 Ke1 loss in 2 half-moves
4 Ke2 loss in 2 half-moves
5 Kf2 loss in 2 half-moves
6 Kg1 loss in 2 half-moves
7 Kg2 loss in 2 half-moves
8 Rb5 loss in 2 half-moves
9 Rc5 loss in 2 half-moves
10 Re5 loss in 2 half-moves
11 Rf5 loss in 2 half-moves
12 Rg1 loss in 2 half-moves
13 Rg2 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh5 loss in 2 half-moves
18 Ra5 loss in 1 half-moves
19 Rd5 loss in 1 half-moves