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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Kb6 loss in 2 half-moves
3 Kb7 loss in 2 half-moves
4 Kc7 loss in 2 half-moves
5 Kd6 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Rd1 loss in 2 half-moves
8 Rd2 loss in 2 half-moves
9 Rd3 loss in 2 half-moves
10 Rd4 loss in 2 half-moves
11 Rd6 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rh5 loss in 2 half-moves
18 Kb5 loss in 1 half-moves
19 Kc5 loss in 1 half-moves
20 Rb5 loss in 1 half-moves
21 Rc5 loss in 1 half-moves