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 Kf7 draw
3 Rb7 draw
4 Rd7 draw
5 Rg1 draw
6 Rg2 draw
7 Rg3 draw
8 Rg4 draw
9 Rg5 draw
10 Rg6 draw
11 Kf8 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Kh8 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Rc7 loss in 1 half-moves