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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Rd1 win in 9 half-moves
3 R1b2 draw
4 R8b2 draw
5 Ra1 draw
6 Ra8 draw
7 Rc1 draw
8 Rc8 draw
9 Rd8 draw
10 Rf8 draw
11 R1b3 loss in 2 half-moves
12 R1b4 loss in 2 half-moves
13 R1b5 loss in 2 half-moves
14 R1b6 loss in 2 half-moves
15 R1b7 loss in 2 half-moves
16 R8b3 loss in 2 half-moves
17 R8b4 loss in 2 half-moves
18 R8b5 loss in 2 half-moves
19 R8b6 loss in 2 half-moves
20 R8b7 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh1 loss in 2 half-moves
26 Rh8 loss in 2 half-moves