Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Kd5 draw
3 Kd6 draw
4 Kd7 draw
5 Ke5 draw
6 Ke7 draw
7 Kf5 draw
8 Kf6 draw
9 Kf7 draw
10 Ra2 draw
11 Ra3 draw
12 Rb1 draw
13 Rd1 draw
14 Re1 draw
15 Rf1 draw
16 Ra4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves