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