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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ra5 draw
3 Kc1 loss in 2 half-moves
4 Kc2 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Kd2 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Ke1 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rc7 loss in 2 half-moves