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 Kd5 draw
3 Kd6 draw
4 Kd7 draw
5 Ke5 draw
6 Ke7 draw
7 Kf7 draw
8 Rb1 draw
9 Rb2 draw
10 Rb6 draw
11 Rb8 draw
12 Rc7 draw
13 Rd7 draw
14 Re7 draw
15 Rf7 draw
16 Kf5 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves