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 Kd8 draw
4 Kf7 draw
5 Kf8 draw
6 Rb7 draw
7 Rc7 draw
8 Re5 draw
9 Re6 draw
10 Rd7 loss in 2 half-moves
11 Re1 loss in 2 half-moves
12 Re2 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves
16 Re3 loss in 1 half-moves
17 Re4 loss in 1 half-moves