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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rb8 win in 1 half-moves
3 R4a6 loss in 2 half-moves
4 R4a7 loss in 2 half-moves
5 R8a6 loss in 2 half-moves
6 R8a7 loss in 2 half-moves
7 Ra1 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 R4a5 loss in 1 half-moves
23 R8a5 loss in 1 half-moves