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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Raa2 draw
3 Rb4 draw
4 Rba2 draw
5 Rbb1 draw
6 Rh4 draw
7 Rhh1 draw
8 Rab1 loss in 4 half-moves
9 Rah1 loss in 4 half-moves
10 Ra3 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rbc2 loss in 2 half-moves
21 Rbd2 loss in 2 half-moves
22 Rbe2 loss in 2 half-moves
23 Rbf2 loss in 2 half-moves
24 Rbg2 loss in 2 half-moves
25 Rc1 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Re1 loss in 2 half-moves
28 Rf1 loss in 2 half-moves
29 Rg1 loss in 2 half-moves
30 Rh3 loss in 2 half-moves
31 Rh5 loss in 2 half-moves
32 Rh6 loss in 2 half-moves
33 Rh7 loss in 2 half-moves
34 Rh8 loss in 2 half-moves
35 Rhc2 loss in 2 half-moves
36 Rhd2 loss in 2 half-moves
37 Rhe2 loss in 2 half-moves
38 Rhf2 loss in 2 half-moves
39 Rhg2 loss in 2 half-moves