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

EGTB: win in 4 half-moves

# move score
1 R8a4 win in 3 half-moves
2 R1a2 draw
3 R8a2 draw
4 Rab8 draw
5 Rac8 draw
6 Rad8 draw
7 Rae1 draw
8 Rb1 draw
9 Rc1 draw
10 Rd1 draw
11 Re2 draw
12 Re4 draw
13 Red8 draw
14 Ree1 draw
15 Reb8 loss in 6 half-moves
16 Rec8 loss in 6 half-moves
17 R1a3 loss in 2 half-moves
18 R1a4 loss in 2 half-moves
19 R1a5 loss in 2 half-moves
20 R1a6 loss in 2 half-moves
21 R1a7 loss in 2 half-moves
22 R8a3 loss in 2 half-moves
23 R8a5 loss in 2 half-moves
24 R8a6 loss in 2 half-moves
25 R8a7 loss in 2 half-moves
26 Re3 loss in 2 half-moves
27 Re5 loss in 2 half-moves
28 Re6 loss in 2 half-moves
29 Re7 loss in 2 half-moves
30 Rf1 loss in 2 half-moves
31 Rf8 loss in 2 half-moves
32 Rg1 loss in 2 half-moves
33 Rg8 loss in 2 half-moves
34 Rh1 loss in 2 half-moves
35 Rh8 loss in 2 half-moves