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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rb5 draw
3 Kc6 loss in 2 half-moves
4 Kc7 loss in 2 half-moves
5 Kc8 loss in 2 half-moves
6 Kd6 loss in 2 half-moves
7 Kd8 loss in 2 half-moves
8 Ke6 loss in 2 half-moves
9 Ke7 loss in 2 half-moves
10 Ke8 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves
21 Rb1 loss in 1 half-moves
22 Rb2 loss in 1 half-moves