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

EGTB: win in 2 half-moves

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