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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kd7 draw
3 Kf7 draw
4 Kg1 draw
5 Kh2 draw
6 Rb7 draw
7 Rc1 draw
8 Rc2 draw
9 Rc8 draw
10 Kd6 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Kg2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Kd8 loss in 1 half-moves
20 Ke8 loss in 1 half-moves
21 Kf8 loss in 1 half-moves