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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rh2 win in 1 half-moves
3 Rb7 draw
4 Ka2 loss in 2 half-moves
5 Ka4 loss in 2 half-moves
6 Ka6 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Kb6 loss in 1 half-moves
22 Kb7 loss in 1 half-moves
23 Rb6 loss in 1 half-moves