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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ra1 draw
3 Rb2 draw
4 Rb3 draw
5 Rb5 draw
6 Re1 draw
7 Rf1 draw
8 Rg1 draw
9 Rh1 draw
10 Kaa6 loss in 2 half-moves
11 Kaa8 loss in 2 half-moves
12 Kab6 loss in 2 half-moves
13 Kab8 loss in 2 half-moves
14 Kba6 loss in 2 half-moves
15 Kba8 loss in 2 half-moves
16 Kbb6 loss in 2 half-moves
17 Kbb8 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kc7 loss in 2 half-moves
20 Kc8 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rd1 loss in 2 half-moves