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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Rc7 win in 1 half-moves
3 Rg7 draw
4 Kf8 loss in 2 half-moves
5 Kh8 loss in 2 half-moves
6 Ra1 loss in 2 half-moves
7 Ra2 loss in 2 half-moves
8 Ra4 loss in 2 half-moves
9 Ra5 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Kf7 loss in 1 half-moves
16 Kg7 loss in 1 half-moves
17 Kh7 loss in 1 half-moves
18 Rf7 loss in 1 half-moves
19 Rh7 loss in 1 half-moves