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 Kd6 draw
3 Kd7 draw
4 Kd8 draw
5 Ke6 draw
6 Ke8 draw
7 Kf8 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb8 draw
12 Rc7 draw
13 Rd7 draw
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves