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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rd1 win in 3 half-moves
3 Rd8 win in 5 half-moves
4 Rb2 draw
5 Rb7 draw
6 Rbb1 draw
7 Rf1 draw
8 Rf8 draw
9 Rgb1 draw
10 Ra1 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh8 loss in 2 half-moves