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

EGTB: win in 2 half-moves

# move score
1 Kf6 win in 1 half-moves
2 Ra8 win in 1 half-moves
3 Rc7 win in 1 half-moves
4 Ra1 draw
5 Kd6 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Ke6 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Kd8 loss in 1 half-moves
16 Ke8 loss in 1 half-moves
17 Kf7 loss in 1 half-moves
18 Kf8 loss in 1 half-moves