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 Kc8 draw
3 Rb7 draw
4 Rf7 draw
5 Ke8 loss in 6 half-moves
6 Kc7 loss in 4 half-moves
7 Kd7 loss in 4 half-moves
8 Ke7 loss in 4 half-moves
9 Rg6 loss in 4 half-moves
10 Rg8 loss in 4 half-moves
11 Rc7 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Rg1 loss in 1 half-moves
19 Rg2 loss in 1 half-moves