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

EGTB: win in 2 half-moves

# move score
1 Rg5 win in 1 half-moves
2 Rg8 win in 1 half-moves
3 R5b6 loss in 2 half-moves
4 R5b7 loss in 2 half-moves
5 R8b6 loss in 2 half-moves
6 R8b7 loss in 2 half-moves
7 Ra5 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Rb2 loss in 1 half-moves