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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Kc5 loss in 2 half-moves
3 Kc6 loss in 2 half-moves
4 Kd6 loss in 2 half-moves
5 Ke4 loss in 2 half-moves
6 Ke5 loss in 2 half-moves
7 Ke6 loss in 2 half-moves
8 Ra1 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Kc4 loss in 1 half-moves
17 Kd4 loss in 1 half-moves