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

EGTB: win in 6 half-moves

# move score
1 Rf1 win in 5 half-moves
2 R1b2 draw
3 R3b2 draw
4 Ra1 draw
5 Ra3 draw
6 Rb4 draw
7 Rf3 draw
8 Rh1 draw
9 Rh3 draw
10 Rb5 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg3 loss in 2 half-moves