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 Kf6 draw
3 Kf7 draw
4 Kg7 draw
5 Kh6 draw
6 Kh7 draw
7 Rb5 draw
8 Rb6 draw
9 Rg7 draw
10 Kf5 loss in 4 half-moves
11 Kg5 loss in 4 half-moves
12 Kh5 loss in 4 half-moves
13 Rb3 loss in 4 half-moves
14 Rb4 loss in 4 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rb8 loss in 1 half-moves