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 Ra1 draw
3 Ra2 draw
4 Kd7 loss in 2 half-moves
5 Kd8 loss in 2 half-moves
6 Ke6 loss in 2 half-moves
7 Kee7 loss in 2 half-moves
8 Kef8 loss in 2 half-moves
9 Kf6 loss in 2 half-moves
10 Kfe7 loss in 2 half-moves
11 Kff8 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Kg8 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves