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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Ra4 win in 5 half-moves
4 Ra8 win in 5 half-moves
5 Ra1 win in 7 half-moves
6 Rb1 win in 7 half-moves
7 Rf2 win in 7 half-moves
8 Rf3 win in 7 half-moves
9 Rg4 win in 7 half-moves
10 Rg8 win in 7 half-moves
11 Rfh1 win in 9 half-moves
12 Rg1 win in 9 half-moves
13 Rh2 win in 9 half-moves
14 Rh3 win in 9 half-moves
15 Rhh1 win in 11 half-moves
16 Rff4 loss in 4 half-moves
17 Rff8 loss in 4 half-moves
18 Rhf4 loss in 4 half-moves
19 Rhf8 loss in 4 half-moves
20 R4h5 loss in 2 half-moves
21 R4h6 loss in 2 half-moves
22 R4h7 loss in 2 half-moves
23 R8h5 loss in 2 half-moves
24 R8h6 loss in 2 half-moves
25 R8h7 loss in 2 half-moves
26 Rc1 loss in 2 half-moves
27 Rc4 loss in 2 half-moves
28 Rc8 loss in 2 half-moves
29 Rd1 loss in 2 half-moves
30 Rd4 loss in 2 half-moves
31 Rd8 loss in 2 half-moves
32 Re1 loss in 2 half-moves
33 Re4 loss in 2 half-moves
34 Re8 loss in 2 half-moves
35 Rf5 loss in 2 half-moves
36 Rf6 loss in 2 half-moves
37 Rf7 loss in 2 half-moves