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

EGTB: win in 2 half-moves

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