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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 R1a2 loss in 2 half-moves
4 R1a3 loss in 2 half-moves
5 R4a2 loss in 2 half-moves
6 R4a3 loss in 2 half-moves
7 Ra5 loss in 2 half-moves
8 Ra6 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Rc1 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Ra8 loss in 1 half-moves