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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Re1 win in 1 half-moves
3 Rf1 win in 1 half-moves
4 Rg1 draw
5 Kd7 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Ke7 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Kf8 loss in 2 half-moves
10 Ra2 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves