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 Ke7 draw
3 Ke8 draw
4 Kf8 draw
5 Kg7 draw
6 Kg8 draw
7 Rb6 draw
8 Rb8 draw
9 Ke6 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rb5 loss in 1 half-moves