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 Rc1 win in 1 half-moves
3 Re4 win in 1 half-moves
4 R4a2 loss in 2 half-moves
5 R4a3 loss in 2 half-moves
6 Ra5 loss in 2 half-moves
7 Ra7 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Nb2 loss in 1 half-moves
16 Nc3 loss in 1 half-moves
17 Ne3 loss in 1 half-moves
18 Nf2 loss in 1 half-moves
19 R1a2 loss in 1 half-moves
20 R1a3 loss in 1 half-moves
21 Ra6 loss in 1 half-moves