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

EGTB: win in 2 half-moves

# move score
1 Rg2 win in 1 half-moves
2 Rh2 loss in 6 half-moves
3 Kc1 loss in 2 half-moves
4 Kc2 loss in 2 half-moves
5 Kd2 loss in 2 half-moves
6 Ke1 loss in 2 half-moves
7 Ke2 loss in 2 half-moves
8 Ra1 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rd2 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Ra5 loss in 1 half-moves
17 Ra6 loss in 1 half-moves
18 Ra7 loss in 1 half-moves
19 Ra8 loss in 1 half-moves