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 Rb7 draw
3 Rc1 draw
4 Rc3 draw
5 Rc4 draw
6 Rc5 draw
7 Rf7 draw
8 Rg7 draw
9 Rh7 draw
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Kh7 loss in 2 half-moves
14 Kh8 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves