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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rc4 draw
3 Ka7 loss in 2 half-moves
4 Kb7 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Kd5 loss in 2 half-moves
7 Kd6 loss in 2 half-moves
8 Ke6 loss in 2 half-moves
9 Kf5 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Kd4 loss in 1 half-moves
21 Ke4 loss in 1 half-moves
22 Kf4 loss in 1 half-moves
23 Rd4 loss in 1 half-moves
24 Re4 loss in 1 half-moves
25 Rf4 loss in 1 half-moves