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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rb4 win in 3 half-moves
3 Rd7 draw
4 Rg7 draw
5 Rh7 draw
6 Ka2 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Kaa3 loss in 2 half-moves
9 Kab4 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kba3 loss in 2 half-moves
13 Kbb4 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves