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

EGTB: win in 2 half-moves

# move score
1 R1a3 win in 1 half-moves
2 R4a3 win in 1 half-moves
3 Ra5 win in 1 half-moves
4 Ra6 win in 1 half-moves
5 Ra7 win in 1 half-moves
6 Rb1 win in 1 half-moves
7 Rb4 win in 1 half-moves
8 Rc1 win in 1 half-moves
9 Rc4 win in 1 half-moves
10 Rd1 win in 1 half-moves
11 Rd4 win in 1 half-moves
12 Re1 win in 1 half-moves
13 Re4 win in 1 half-moves
14 Rf1 win in 1 half-moves
15 Rf4 win in 1 half-moves
16 g1=B loss in 2 half-moves
17 g1=K loss in 2 half-moves
18 g1=N loss in 2 half-moves
19 g1=Q loss in 2 half-moves
20 g1=R loss in 2 half-moves
21 R1a2 loss in 1 half-moves
22 R4a2 loss in 1 half-moves
23 Ra8 loss in 1 half-moves
24 Rg1 loss in 1 half-moves
25 Rg4 loss in 1 half-moves
26 Rh1 loss in 1 half-moves
27 Rh4 loss in 1 half-moves