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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rd4 win in 1 half-moves
3 Rf6 win in 1 half-moves
4 Rf8 win in 1 half-moves
5 R6d7 loss in 2 half-moves
6 R8d7 loss in 2 half-moves
7 Ra6 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rc6 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Rd2 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh8 loss in 2 half-moves