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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rd3 draw
3 Re3 draw
4 Rf3 draw
5 Ka7 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kbb7 loss in 2 half-moves
8 Kbc7 loss in 2 half-moves
9 Kcb7 loss in 2 half-moves
10 Kcc7 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves