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

EGTB: win in 4 half-moves

# move score
1 Rc4 win in 3 half-moves
2 Re4 win in 5 half-moves
3 Rf4 win in 5 half-moves
4 Rb2 win in 7 half-moves
5 Ra5 draw
6 Ra7 draw
7 Na1 loss in 2 half-moves
8 Na3 loss in 2 half-moves
9 Ne1 loss in 2 half-moves
10 Ne3 loss in 2 half-moves
11 R2a3 loss in 2 half-moves
12 R4a3 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Nb4 loss in 1 half-moves
19 Nd4 loss in 1 half-moves
20 Rb4 loss in 1 half-moves
21 Rd4 loss in 1 half-moves