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 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke7 draw
6 Ke8 draw
7 Kg2 draw
8 Ra2 draw
9 Ra3 draw
10 Ra5 draw
11 Ra6 draw
12 Ra8 draw
13 Rb1 draw
14 Rc1 draw
15 Rd1 draw
16 Re1 draw
17 Rf1 draw
18 Kf1 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kh1 loss in 2 half-moves
21 Kh2 loss in 2 half-moves
22 Ra4 loss in 1 half-moves