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