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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Rb8 draw
3 Kc1 loss in 2 half-moves
4 Kc3 loss in 2 half-moves
5 Kd1 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Kd3 loss in 2 half-moves
8 Kg3 loss in 2 half-moves
9 Kg4 loss in 2 half-moves
10 Kg5 loss in 2 half-moves
11 Kh3 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Kb1 loss in 1 half-moves
22 Kb2 loss in 1 half-moves
23 Kb3 loss in 1 half-moves
24 Rb1 loss in 1 half-moves
25 Rb2 loss in 1 half-moves
26 Rb3 loss in 1 half-moves